Instructions

For the following questions answer them individually

Question 31

What is the greatest number which divides 1070 and 1265 and leaves remainders 3 and 4 respectively?

Question 32

In a church, the first bell rings at intervals of 2 seconds, the second bell rings at intervals of 4 seconds and so on till the fifth bell, which rings at intervals of 10 seconds. How many times do all the bells ring together in a half-an-hour period?

Question 33

Mr.Nair's monthly salary is rs 22,500. He took a loan of rs 30,000 on simple interest for 3 years at the rate of 5 p.c.p.a. The amount that he will be paying as simple interest in 3 years is what percent of his monthly salary ?

Question 34

A certain sum P when invested for four years at the rate of 10% p.a. simple interest, amounts to 22,960/Â. What will be the interest earned when (P + 600) is invested in the same rate of simple interest p.a. for four years ?

Question 35

The interest earned by investing a sum of money in scheme A for two years isÂ 450/- more than the interest earned when the same sum is invested in scheme B for the, same period. If schemes A and B both offer compound interest (compounded annually) at 30% p.a. and 20% p.a. respectively, what was the sum invested in each scheme ?

Question 36

3 pipes when opened for 3 hours can fill 3 buckets. How many buckets can 2 pipes open for 2 hours approximately fill?

Question 37

Yesterday Shweta completed 300 units of work at the rate of 15 units per minute. Today she completed the same units of work but her speed

was 40% faster than yesterday. What is the approximate difference in the time she took to complete the work yesterday and the time she took today ?

Question 38

A shopkeeper labelled the price of the articles so as to earn a profit of 30% on the cost price. He then sold the articles by offering a discount of 10% on the labelled price what is the actual per profit earned in the deal ?

Question 39

Pure milk costs Rs. 16 per litre. After adding water the milkman sells the mixture Rs. 15 per litre and thereby makes a profit of 25%. In what respective ratio does he mix milk with water?

Question 40

Harish, Dilip and Asha start running around a circular stadium and complete one round in 27 s, 9 s and 36 s respectively. In how much time will they meet again at the same point?

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