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Q:

In a class of 56 students there are 28 girls. The average weight of these girls is 46 kg and average weight of the full class is 51 kgs. What is the average weight of the boys of the class?

A) 55 B) 56
C) 53 D) 54
 
Answer & Explanation Answer: B) 56

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Filed Under: Average
Exam Prep: Bank Exams

Q:

A dishonest milkman buys milk at Rs 30 per litre and adds 1/5 of water to it and sells the mixture at Rs 32 per litre. What will be his gain?

A) 33.33 percent B) 50 percent
C) 28 percent D) 25 percent
 
Answer & Explanation Answer: C) 28 percent

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

Q:

A can do a work in 15 days and B in 20 days. If they work on it together for 5 days, then what fraction of work is left?

A) 2/9 B) 3/10
C) 5/12 D) 1/4
 
Answer & Explanation Answer: C) 5/12

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Filed Under: Time and Work
Exam Prep: Bank Exams

Q:

The ratio of present ages of Rambha and Sarvesh is 8:5. After 7 years the ratio of their ages will be 5:4. What is Rambha's present age?

A) 5 B) 30
C) 8 D) 48
 
Answer & Explanation Answer: C) 8

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

Q:

Rajat sells a machine for Rs 53 lakhs at a loss. Had he sold it for Rs 64 lakh, his gain would have been 10 times the former loss. Find the cost price of the machine.

A) Rs 63 lakhs B) Rs 69.3 lakhs
C) Rs 45 lakhs D) Rs 54 lakhs
 
Answer & Explanation Answer: D) Rs 54 lakhs

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

Q:

A man travels 420 kilometres in, partly by rail and partly by steamer. He spends 8 hours more time on steamer. If the velocity of the steamer is 35 km/hr and the velocity of rail is 65 km/hr, how much distance does he cover by steamer?

A) 395 km B) 329 km
C) 494 km D) 592 km
 
Answer & Explanation Answer: B) 329 km

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Filed Under: Time and Distance
Exam Prep: Bank Exams

Q:

Coefficient of x2  in (x + 7)(5 - 3x)(3x - 6) is

A) 96 B) -30
C) 42 D) -18
 
Answer & Explanation Answer: B) -30

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

Find x.

693.5 - (47.23 - x) - 82.48 = 8.172.

A) -720.578 B) -555.618
C) -650.078 D) 831.382
 
Answer & Explanation Answer: B) -555.618

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Filed Under: Simplification
Exam Prep: Bank Exams