15. There are 5 red shoes, 4 green shoes. If one drasw randomly a
shoe what is the probability of getting redshoe is 5c1/9c1
16. What is the selling price of a car? cost of car is Rs 60 & profit 10%
profit over selling price Ans : Rs 66/-
17. 1/3 of girls , 1/2 of boys go to canteen .What factor and total
number of clasmates go to canteen. Ans: cannot be determined.
18. price of a product is reduced by 30% . What percentage should be
increased to make it 100% Ans: 42.857%
19. There is a square of side 6cm . A circle is inscribed inside the
square. Find the ratio of the area of circle to square.
r=3 circle/square = 11/14
20. Two candles of equal lengths and of different thickness are there.
The thicker one will last of six hours. The thinner 2 hours less than the
thicker one. Ramesh light the two candles at the same time. When he
went to bed he saw the thicker one is twice the length of the thinner one.
For how long did Ramesh lit two candles .
Ans: 3 hours.
21. M/N = 6/5 3M+2N = ? Ans: cannot be determined
22. p/q = 5/4 2p+q= ? cannot determined.
23. If PQRST is a parallelogram what it the ratio of triangle PQS &
parallelogram PQRST Ans: 1:2
24. cost of an item is Rs 12.60 7 profit is 10% over selling price what is
the selling price Ans: Rs 13.86/-
25. There are 6 red shoes & 4 green shoes . If two of red shoes are
drawn what is the probability of getting red shoesAns: 6c2/10c2
26. 15 lts of water containing 20% alcohol, then added 5 lts of water.
What is % alcohol. Ans : 15%
27. A worker pay 20/- day , he works 1, 1/3,2/3,1/8.3/4 in a week. what
is the total amount paid for that worker Ans : 57.50
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