Quantitative Aptitude - Arithmetic Ability Questions

1.1 + 12.12 + 123.123 = ?

In how many different ways could couples be picked from 6 men and 9 women ?

Two taps X and Y can fill a tank in 15 hours and 20 hours respectively. If the two taps are opened at 2 p.m., then at what time (in p.m.) should the tap X be closed to completely fill the tank at exactly 2 a.m.?

In the first 32 overs of a cricket match, the run rate was 7.2 runs/over. What is the required run rate in the remaining 18 overs to reach the target of 297 runs?

Loss of 20% on selling price is equal to x% loss in cost price. What is x?

If cot A = [sin B/(1 – cos B)], then what is the value of cot 2A?

Every month, Kritika spends 30% of her income on house rent and 60% of the rest on household expenditure. If she saves ₹ 6300 per month, what is her total monthly income?

A man spend 7.5% of his money and after spending 75% of the remaining, he had Rs. 370 left. How much money did he have