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5. Jayant gets 3 marks for each right sum and loses 2 marks for each wrong sum. He attempts 30 sums and obtains 40 marks. The number of sums attempted correctly is
A. 25
B. 20
C. 26
D. 27
Ans. B
6. A circular wire of radius 56 cm is cut and bent in the form of a rectangle whose sides are in the ratio of 6:5. The smaller side of the rectangle is
A. 70 cm
B. 75 cm
C. 80 cm
D. 85 cm
Ans. C
7. A man sitting in a train traveling at the rate of 50 km/hr observes that it takes 9 sec for a goods train travelling in the opposite direction to pass him. If the goods train is 187.5 m long, find its speed.
A. 25 km/hr
B. 40 km/hr
C. 35 km/hr
D. 36 km/hr
Ans. A
8. The price of sugar increases by 20%, by what percent should a housewife reduce the consumption of sugar so that expenditure on sugar can be same as before ?
A. 15%
B. 16.66%
C. 12%
D. 9%
Ans. B
9. A man spends half of his salary on household expenses, 1/4th for rent, 1/5th for travel expenses, the man deposits the rest in a bank. If his monthly deposits in the bank amount 50, what is his monthly salary ?
A. Rs. 500
B. Rs. 1500
C. Rs. 1000
D. Rs. 900
Ans. C
10. Find the approximate value of the following equation :
6.23% of 258.43 – ? + 3.11% of 127 = 13.87
A. 2
B. 4
C. 6
D. 8
Ans. C