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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
579 is irrational no. |
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Answer» We can right it in form of p/q where q is not equal to zero.(579----------579/1) No it is rational number |
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| 102. |
Find the angle which is five times its complementary. |
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Answer» Right answer 75 |
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| 103. |
The complement of 748 |
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Answer» गलत Sorry |
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| 104. |
the numerical value of π is |
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Answer» 22/7 or 3.14 Value is 22/7 or 3.14 Very simple...22/7or 3.14... 22/7 |
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| 105. |
The petrol is 80litre in2017 it is increased by 25%in 2018what is the price of petrol in2018 |
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Answer» 100rs 100RS per litre multiply 80 by 25/100 100 rs. Per litre |
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| 106. |
Rationalize the denominator 1 upon root 5 + root 2 and subtract it from root 5 - root 2 |
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Answer» 1/√5+√2-√5-√2=√5-√2/5-3-√5-√2=√5-√2-3√5-3√2/3=4√5-4√2/3=4【√5-√2】/3 1/3 |
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| 107. |
101×99 |
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Answer» Answer is 9999 Answer : (100+1) × (100-1) Identity 3= (a+b) (a-b) = a2 -b2 (100×100 )- (-1×1) 10000 -1=9999 9999 |
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| 108. |
(999)3 |
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Answer» Answer :- (1000-1)³ =(1000-1)³ Use identity a³-b³ =a³-b³-3x²y+3xy² |
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| 109. |
Evaluate by suiting identities. 101×99 |
| Answer» Identity is:-(a+b)(a-b):-a²-b² Answer is 9999 | |
| 110. |
2×+3 |
| Answer» Your question2x+3My answer 2x+3=6Why 2x+3=6So, 2x means 2 times x 2x+3=6 -3 -3----------------------------- 2 =3 2/2x = 3/2x=3/2 =1 whole 1/2 ? 2(1whole1/2)+3 =63+3=6Hence, 2x+3=6 | |
| 111. |
Dimensions of hall are 20m*15m*8m. Find the cost of paintig its walls at the rate of Rs.15sq.m. ? |
| Answer» Area to be painted = area of 4 side walls + area of ceiling or the top of the hall\xa0Area to be painted = 2h(l+b) + lb\xa0= 2 × 8 (20+15) + 20× 15 = 16 × 35 + 20 ×15 = 560 + 300 = 860 m2cost of paintind 1m2 =Rs 15cost of painting 5100m =860 × 15 = Rs 12,900 | |
| 112. |
How to proove a^3+b^3+c^3-3abc =1÷2(a+b+c){(a-b)^2+(b-c)^2+(c-a)^2} |
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| 113. |
Root 3 Root 4Root5 |
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Answer» √3=1.732√4=2And,√5=2.236 1.732 =√32=√42.236=√5 |
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| 114. |
How to factorise (9x-1/5)^2 - (x+1/3)^2 |
| Answer» | |
| 115. |
√१०×√१५ |
| Answer» Plzz write it in english?? | |
| 116. |
Write the value of: 48 cube - 30 cube - 18 cube |
| Answer» 77760 | |
| 117. |
If 3 to the power x-1=9 and 4 to the power y+2=64, what is the value of x |
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| 118. |
If a/b+b/a=-1 then find a cube - b cube |
| Answer» | |
| 119. |
Class 9th ex.8.2 |
| Answer» 2 | |
| 120. |
u like answer methord |
| Answer» Ex.8.2 | |
| 121. |
What is the unit digit of (2345667788)*2345667788 |
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Answer» 8galat hair galti se like diya 1 8 |
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| 122. |
X=-2 |
| Answer» 2 | |
| 123. |
(6-3x)3+(6-4y)3+(6-5z)3-3(6-3x)(6-4y)(6-5z) |
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| 124. |
If two supplementary angles is differ by 30°. Find smaller angle |
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| 125. |
8.5 show number line |
| Answer» | |
| 126. |
If a=5+2√6 and b=1/a. Find a square + b square |
| Answer» | |
| 127. |
Square root 25 |
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Answer» √25=5Because 5×5 =25 5 5 5 |
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| 128. |
291.6 square root |
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Answer» 17.076299364909??? 17.076 |
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| 129. |
Find the polynomiyals p(x) =2x + 1 |
| Answer» 2x+1=02x=-1X=-1\\2 | |
| 130. |
a^3+b^3 |
| Answer» a3 + b3 = (a + b)(a2 - ab + b2) | |
| 131. |
Coefficient of x+a x+ b |
| Answer» X(a+b) | |
| 132. |
Mark and find the area of points on cartisian plane 0,2 3,0 -3,0 0,-2 |
| Answer» | |
| 133. |
What is median and altitude |
| Answer» Altitude is the height of the triangle which forms on a 90 angle and bisects the baseMedian is the line drawn from the opposite vertices to a side opposite to it | |
| 134. |
How to explain theorem 7.2? |
| Answer» | |
| 135. |
5-8 |
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Answer» -3 The answer is -3 -3 so easy ??? |
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| 136. |
What isdecimals |
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Answer» Any number which not complete divide then we use decimal point . |
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| 137. |
What is the area of triangle whose sides are23 cm, 31 cm and 37 cm |
| Answer» 61 | |
| 138. |
If 2x =1/5.then what is the value of 2 |
| Answer» 2= 1/5x | |
| 139. |
2(x+y)²-9(x+y)-5 |
| Answer» (2x+2y+1)(x+y-5) | |
| 140. |
If abc is a triangle having its al sides equal find its perimeter and area |
| Answer» Sum of its all side is its perimeter. ??? | |
| 141. |
Factorisation of 7x^2+2√14x+2 |
| Answer» (rrootx+root2)(rrootx+root2) | |
| 142. |
594-4649/4.494 |
| Answer» 8647*7594-45184/48484!=4844 | |
| 143. |
5/6 |
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Answer» 0.8333333333333333333333333333333333333333333333333333.............33333333.......33333333333333......................3333333333333333333333333.................33333333333??? 0.83334333333333............ Infinity 0.83333333.......... 0.8333333333333333333...........Infinite 0.83333..... |
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| 144. |
Find a^2–b^2, if a+b=9 and ab = –22. |
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| 145. |
Proof mid point theorm |
| Answer» | |
| 146. |
The sum of two rational number is |
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Answer» Rational no. Rational |
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| 147. |
LX +M X=_M L |
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Answer» Lx + m x=_m÷lL(_m/l)+m_m+m= 0 Xml |
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| 148. |
Find the value of \'a\' if (x4-x3-11x2-x+a |
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| 149. |
329 ÷ 400 |
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Answer» 0.8225 0.8225??? |
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| 150. |
X square + half x square if x is equals to 2 + root 5 find its product |
| Answer» 9+4 root5 | |