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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 shoes
Ans: 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
28). The value of x is between 0 & 1 which is the larger?
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