Practice Question and Answer
8 Q: If the price of petrol increases by 19% and Sunitha intends to spend only an additional 12 % on petrol, by what percent should she reduce the quantity of petrol purchased?
2557 25f40e153b8958f14fa2b5b82
5f40e153b8958f14fa2b5b82- 17false
- 28false
- 36true
- 45false
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Answer : 3. "6"
Q: If $$ x=(164)^{169}+ (333)^{337}-(727)^{726}$$ then what is the units digit of x?
3142 15f40e0b3b8958f14fa2b5a16
5f40e0b3b8958f14fa2b5a16- 15false
- 29false
- 37false
- 48true
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Answer : 4. "8"
Q: To do a certain work, the ratio of the efficiencies of X and Y is 5:4. Working together, they can complete the same work in 10 days. Y alone starts the work and leaves after 5 days. The remaining work will be completed by X alone in:
1999 15f40e05454900c5349e9f3b5
5f40e05454900c5349e9f3b5- 114 daystrue
- 212 daysfalse
- 310 daysfalse
- 415 daysfalse
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Answer : 1. "14 days "
Q: A man starts from his house and travelling at 30 km/h, he reaches his office late by 10 minute, and travelling at 24 km/h, he reaches his office late by 18 minutes. The distance (in km) from his house to his office is:
1802 15f40dff1b8958f14fa2b5624
5f40dff1b8958f14fa2b5624- 112false
- 220false
- 316true
- 418false
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Answer : 3. "16"
Q: If $$ {1+sinθ\over {1-sinθ}}={p^{2}\over{q^{2}}}$$, then sec θ is equal to:
1712 05f40dfa24c9a9415f7cdfc3b
5f40dfa24c9a9415f7cdfc3b- 1$$ {2p^{2}{q^{2}}\over {p^{2}+{q^{2}}}}$$false
- 2$${1\over 2}\left({q\over p}+{p\over q} \right)$$true
- 3$$ {1\over {p^{2}}}+{1\over {q^{2}}}$$false
- 4$$ {p^{2}q^{2}}\over{p^{2}+q^{2}}$$false
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Answer : 2. "$${1\over 2}\left({q\over p}+{p\over q} \right)$$"
Q: The sides of a triangle are 56 cm, 90 cm and 106 cm. The circumference of its circumcircle is:
2259 05f40df429b782961da3f546e
5f40df429b782961da3f546e- 1108 πfalse
- 2112 πfalse
- 3106 πtrue
- 4109 πfalse
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Answer : 3. "106 π"
Q: The bisector of ∠B in ΔABC meets AC at D. If AB=10 cm and BC=11 cm and AC=14 cm, then the length of AD is:
1530 05f40dec554900c5349e9eb8f
5f40dec554900c5349e9eb8f- 1$$ {20\over3}$$true
- 222false
- 3$$ {22\over3}$$false
- 420false
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Answer : 1. "$$ {20\over3}$$"
Q: The base of a right prism is a tringle with sides 20 cm, 21 cm and 29 cm. If its volume is 7560 cm3, then its lateral surface area ( in cm2) is:
1585 05f40de68b8958f14fa2b49f9
5f40de68b8958f14fa2b49f9- 12556false
- 22448false
- 32520true
- 42484false
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