Quantitative Aptitude - Arithmetic Ability Questions

From point P, at 6 : 30 pm, a train starts moving towards Q with the speed of 40 km/hr. Another train starts moving from point Q at 7:30 p.m. towards point P at the speed of 60 km/hr. Both of them meet at 11:30 p.m. at point R. What is the ratio of PR and QR?

Sahil sold an item for Rs. 280 at a loss of 20%. The cost price of the item was

PQR is a right angled triangle in which ∠R = 90°. If RS ⊥ PQ, PR = 3 cm and RQ = 4 cm, then what is the value of RS (in cm)?

Find the number that is as much greater than 39 as is less than 79.

Find the greatest number which on dividing 1580 and 3800 leaves remainders 8 and 1 respectively.

Find out the odd word/letters/number/number pair from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

4 + 16 x -12 x 24 - 13 - 3 ÷ 20 - 4 = ?