Maths Practice Question and Answer
8Q: A and B can do a piece of work in 10 days, B and C in 15 days and C and A in 20 days, C alone can do the work in : 1602 05cf0f3da0b8bee0fb6178aec
5cf0f3da0b8bee0fb6178aec- 160 daysfalse
- 2120 daystrue
- 380 daysfalse
- 430 daysfalse
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Answer : 2. " 120 days"
Q: Shyam can complete a task in 12 days by working 10 hours a day. How many hours a day should he work to complete the task in 8 days?
1602 0609f99f16397877f3199d506
609f99f16397877f3199d506- 112false
- 215true
- 316false
- 414false
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Answer : 2. "15"
Q: A book can be read in 40 days if 7 pages are read every day. If the book needs to be read in 8 days. How many pages should be read every day?
1601 05eb4f273ffc62d0a81dca3cd
5eb4f273ffc62d0a81dca3cd- 135true
- 216false
- 356false
- 428false
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Answer : 1. "35"
Q: A seller marks his goods 30 % above their cost price but allows 15 % discount for cash payment. His percentage of profit when sold in cash is
1601 05dd62fda7780ee35515af12e
5dd62fda7780ee35515af12e- 110.5 %true
- 215%false
- 39%false
- 48.5%false
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Answer : 1. "10.5 % "
Q: Two trains start from P and Q respectively and travel towards each other at a speed of 50 km/hour and 40 km/hour respectively. By the time they met the first train had travelled 100 km more than the second. Find the distance between P and Q?
1601 15fc47721070eb7152d7e9f1a
5fc47721070eb7152d7e9f1a- 1500 kmfalse
- 2630 kmfalse
- 3660 kmfalse
- 4900 kmtrue
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Answer : 4. "900 km"
Q: How many natural numbers divisible by 7 are there between 3 and 200?
1601 05ee845d3a08a50198d8d094c
5ee845d3a08a50198d8d094c- 128true
- 229false
- 327false
- 436false
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Answer : 1. "28 "
Explanation :
Number just greater than 3 which is divisible by 7 = 7
Number just smaller than 200 which is divisible by 7 = 196
Here, a = 7, an = 196,
d = 7, n = 8
an = a + (n –1)d
⇒196 = 7 + (n – 1) × 7
⇒ 
⇒ n = 27 + 1 = 28
Note : We can find the answer after dividing 200 by 7. The quotient is our answer.
Q:Direction : What should come in place of the question (?) in the following question.
8934 – 3257 + 481 = ? + 2578
1601 05da0658d31905d2853367056
5da0658d31905d2853367056- 16158false
- 23580true
- 33040false
- 43400false
- 5None of thesefalse
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Answer : 2. "3580"
Q: A bus can cover a distance of 420 km in 7 hours. How much will the speed have to be increased to cover this distance in 6 hours?
1601 05f6d7b9c5256e8407c2c4c09
5f6d7b9c5256e8407c2c4c09- 17. 5 km/hfalse
- 28 km/hfalse
- 35 km/hfalse
- 410 km/htrue
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