In an urn there are 4 red balls and 3 blue balls. If two balls are drawn at random, find the probability that none is red.
1) 2/7
2) 4/7
3) 1/7
4) 3/7
5) None of these
On annual day of a school some chocolates were to be distributed equally among 420 children. But on that particular day, due to some reason 140 more children of another school joined them, hence each child got 1 chocolate less. How many chocolates were originally supposed to be distributed among the children ?
1) 1640
2) 1680
3) 1690
4) 1600
5) None of these
Raj Kumar got the result of his 8th class. Each subject consists of a maximum of 140 marks. If he scores 98 marks in science; 129 marks in sanskrit; 131 marks in Maths, 110 marks in English and 120 marks in Hindi, what was his percentage of marks in all the five subjects ?
1) 84%
2) 82%
3) 77%
4) 79%
5) None of these
If Suresh sells an article at a price of Rs 9300, he incurs a loss of Rs 3100. At what price should he sell the article so that he gets a profit of 25% ?
1) `7250
2) `7350
3) `7650
4) `7750
5) None os these
There is a circular ground whose area is 246400 sq metres If a person runs at the speed of 13.08 m/sec, then how much time will he take to complete the circle?
1) 125 sec
2) 130 sec
3) 100 sec
4) 120 sec
5) None of these
The simple interest accrued in 2 years on a principal of Rs 24000 is one-eighth of the principal. What is the rate of simple interest p.c.p.a ?
1) 5
2) 4.5
3) 6.25
4) 7.25
5) None of these
If a person runs 14.35 km in five weeks, then what distance does he travel everyday ?
1) 400 m
2) 410 m
3) 405 m
4) 415 m
5) None of these
If a train 280 metres long runs at the speed of 7.4 m/second, how much time will it take to cross a platform 460 metres long?
1) 95 sec
2) 96 sec
3) 98 sec
4) 99 sec
5) 100 sec
If a trader sells his stock of oranges at Rs 18270, he gains 45 per cent. What is the cost price of total stock of oranges?
1) 12600
2) 13600
3) 12650
4) 13650
5) None of these
If the numerator of a fraction is increased by 20% and its denominator by 25%, then the fraction so obtained is 3/5. What is the original fraction ?
