BPSC PRELIMS MATHS QUIZ-7

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Question 1:

X has a balance of Rs. $100.82$ in the bank account. How many chocolates of Rs. 5 each can he buy with his bank balance after a deposit of Rs. $74.35$ and a withdrawal of Rs. $50.17$ ?

Question 2:

If Rs. 686 is divided into four parts whose ratio is $\frac{1}{2}: \frac{2}{3}: 3: 4$, then what will be the first part?

Question 3:

If the length and breadth of a rectangle are increased by $8 \%$ and $12 \%$ respectively, then by what percent will the area of that rectangle increase?

Question 4:

A pipe can fill a cistern in $7.8$ hours while another pipe can empty it in $19.5 $ hours when the cistern is full. Both the pipes were opened when the cister was half empty. How long will it take to fill it?

Question 5:

If a rope 154 meters long is divided in the ratio 9:5, then what will be the length (in metres) of the shorter piece?