Quant Quiz for RRB and UIICL Assistant
1. A and B can do a piece of work in 40 days and 30 days respectively. They started working together but after some days B left the work. A alone completed the remaining work in 5 days. Find after how many days B left the work.
1) 10 days
2) 12 days
3) 15 days
4) 20 days
5) 8 days
2. Eight men and five boys can earn ₹ 7930 in 13 days. 12 men and 7 boys can earn ₹ 8400 in 8 days. In how many days will seven men and 10 boys earn ₹ 14220?
1) 16 days
2) 15 days
3) 14 days
4) 20 days
5) 18 days
3. Find the average of the following set of scores:
242, 369, 628, 623, 624, 424, 526
1) 590.85
2) 490.85
3) 485.85
4) 615.58
5) None of these
4. If (78)2 is subtracted from the square of a number, the answer is 9045. What is the number?
1) 88
2) 123
3) 121
4) 118
5) 98
Directions (Q. 5-6): What should come in place of question mark (?) in the following number series.
5. 4 13 38 87 ? 289
1) 168
2) 158
3) 169
4) 151
5) 178
6. 6 42 301 2416 ? 217540
1) 20753
2) 21753
3) 21750
4) 21754
5) None of these
7. A light was seen at an interval of 15 seconds. It was seen for the first time at 2 : 34 : 50 am and the last time at 4 : 17 : 20 am. How many times was the light seen?
1) 310
2) 390
3) 420
4) 410
5) 411
8. A train crosses a platform in 45 seconds and a man standing on the platform in 12 seconds. If the speed of the train is 72 kmph, what is the length of the platform?
1) 280 metres
2) 320 metres
3) 300 metres
4) 270 metres
5) 290 metres
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