Aptitude Practice Question and Answer
8 Q: What is the area (in cm2 ) of an equilateral triangle of side 20 cm?
756 064479718389f6568216e1d56
64479718389f6568216e1d56- 1$$ 100 \sqrt { 3} \ $$true
- 2200false
- 3$$ 100 \sqrt { 2} \ $$false
- 4100false
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Answer : 1. "$$ 100 \sqrt { 3} \ $$"
Q: If x+y+z=10, x2+y2+z2=30, then the value of x3+y3+z3-3xyz is _________.
790 06447959fdf70e0688c8264bb
6447959fdf70e0688c8264bb- 1−10false
- 2−70false
- 3−50true
- 4−30false
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Answer : 3. "−50"
Q: What is the product of (x + a) and (x + b)?
719 064479518cd6ea382cf821012
64479518cd6ea382cf821012- 1x2+(a-b)x+abfalse
- 2false
x2+(a-b)x-ab
- 3true
x2+(a+b)x+ab
- 4false
x2+(a+b)x-ab
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Answer : 3. "x2+(a+b)x+ab
"
Q: A person could save 20% of his income. A year later, his income increased by 25% but he could save the same amount only as before. By what percentage has his expenditure increased?
767 06447737f883b29684408efac
6447737f883b29684408efac- 129.75%false
- 231.25%true
- 327.5%false
- 432.5%false
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Answer : 2. "31.25%"
Q: In a school of 200 students, the following chart represents the percentage of students involved in different sports.
What is the number of students playing cricket?
622 06446675c5bae6d689245fb33
6446675c5bae6d689245fb33- 117false
- 283true
- 324false
- 434false
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Answer : 2. "83 "
Q: The marked price of a table fan is ₹3,750 and is available to the retailer at a discount of 20%. At what price should the retailer sell it to earn a profit of 15%?
1522 064479811cd6ea382cf821e76
64479811cd6ea382cf821e76- 1₹3,450true
- 2₹3,350false
- 3₹3,300false
- 4₹3,400false
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Answer : 1. "₹3,450"
Q: 45 people can repair a road in 10 days, working 6 hours a day. In how many days can 30 people, working 6 hours a day, complete the same work?
721 0644797a2e2eff56868894202
644797a2e2eff56868894202- 115true
- 212false
- 310false
- 418false
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Answer : 1. "15"
Q: The value of sin 730 + cos 1370 is:
810 0644796c3df70e0688c8264ee
644796c3df70e0688c8264ee- 1false
cos 130
- 2true
sin 130
- 3false
cos 180
- 4false
sin 180
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