Aptitude Practice Question and Answer
8 Q: The average weight of three men is increased by 4 kg when one of them, whose weight is 100 kg, is replaced by another man. What is the weight of the new man?
535 064abe016299b7896000b547a
64abe016299b7896000b547a- 1107 kgfalse
- 2103 kgfalse
- 3104 kgfalse
- 4112 kgtrue
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Answer : 4. "112 kg"
Q: The number 2918245 is divisible by which of the following numbers?
1036 064abdfb8b394764d11c76888
64abdfb8b394764d11c76888- 13false
- 211true
- 312false
- 49false
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Answer : 2. "11"
Q: Find the single equivalent discount for successive discounts of 12%, 18% and 25% on the marked price of a car.
895 064abde5a65d2524cbf218a03
64abde5a65d2524cbf218a03- 135.28%false
- 242.65%false
- 340.25%false
- 445.88%true
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Answer : 4. "45.88%"
Q: The angle of elevation of the top of a building at a distance of 70 m from its foot on a horizontal plane is found to be 60°. Find the height of the building.
576 064abdd5a8c254a4ceae340be
64abdd5a8c254a4ceae340be- 1$$70 \sqrt { 3} $$mtrue
- 2$$60 \sqrt { 3} $$mfalse
- 3$$50 \sqrt { 3} $$mfalse
- 4$$70 \sqrt { 2} $$mfalse
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Answer : 1. "$$70 \sqrt { 3} $$m"
Q: The average of 20 numbers is 32. If two numbers are 29 and 31, then what is the average of the remaining numbers (correct up to two decimals)?
1214 064abdcbb299b7896000b4560
64abdcbb299b7896000b4560- 131.24false
- 230.22false
- 334.44false
- 432.22true
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Answer : 4. "32.22"
Q: Find the standard deviation of the following data (rounded off to two decimal places).
5, 3, 4, 7
586 064abdab665d2524cbf2181d5
64abdab665d2524cbf2181d5- 11.48true
- 23.21false
- 34.12false
- 42.45false
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Answer : 1. "1.48 "
Q: Select the INCORRECT formula from the following options.
516 064abd872299b7896000b39a6
64abd872299b7896000b39a6- 1false
cosec2θ - cot2θ=1
- 2false
sin2θ + cos2θ=1
- 3true
sec2θ + cos2θ=1
- 4false
sec2θ – tan2θ=1
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Answer : 3. "sec2θ + cos2θ=1
"
Q: The LCM of x2 − 8x + 15 and x2 − 5x + 6 is:
1514 064a5429b65d2524cbf0bef9d
64a5429b65d2524cbf0bef9d- 1(x - 2) (x - 3) (x − 5)true
- 2(x − 6)2 (x + 1) (x − 3)false
- 3(x − 6) (x + 1) (x − 3)false
- 4(x + 6) (x + 1) (x − 3)false
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