NPAT Common 2020 QP3

The value of $$\large\frac{(0.\overline{66}+0.\overline{33})\div (0.1\overline{8}\times 11 \times 0.8\overline{3})}{0.\overline{27}(0.8\overline{3} \div 0.1\overline{6}) }$$ is:

The value of $$\large\frac{0.5\times 0.005\times 14.5\times 0.7}{0.0203\times 2.92}-\frac{(0.25)^{2}+(0.25)(19.99)}{(12.12)^{2}-(8.12)^{2}}$$ is:

The sum of the first 12 terms of the series $$\large\frac{5}{6}+\frac{1}{6}+\frac{1}{14}+\frac{5}{126}+...,$$ is:

If $$\sqrt{11+2\sqrt{18}}+\sqrt{17-12\sqrt{2}}=a+b\sqrt{2}$$, then the value of (3a - 2b)is:

In a class, 60% of the students are girls and the rest are boys. 40% of the girls and 65% of the boys are players. The number of girls who are NOT players is 54. By what percentage is the number of girls who are players more than the number of boys who are NOT players?

Rekha has two items A and B. When she sells A at a loss of 15% and Bat a profit of25%, she earns no profit neither incurs loss. When she sells A at a profit of 25% and B at a loss of 10%, she earns a profit of Rs114. What is the difference between the cost prices of A and B?

A shopkeeper sells sarees for~ 1,056 each, after giving a discount of 12% on the marked price of the saree. Had he not given any discount, then he would have earned a profit of 25% on the cost price. The cost price of each saree is:

In 2018, the ratio of the price of articles A and B was 5 : 7. In 2019, the price of A increased by 20% and that of B decreased by Rs6.72. If the ratio of the price of A and B in 2019 is 20 : 21, then the price of B in 2018 was:

Anuja borrows a sum of Rs13,024 from a finance company and has to return it in two equal annual instalments. If the rate of interest charged is l2.5% p.a., compounded yearly, then the total interest paid by her is:

A boat covers around trip journey between two points in a river. The points are 43.2 km apart. The time taken for the upstream journey is 1.8 hours more than the time taken for the downstream journey. If the speed of the water in the river is 2 km/h, then the total time (in hours) taken by the boat for a joumey of 48 km upstream and 54 km downstream is: