Quantitative Aptitude - Arithmetic Ability Questions

What is the square root of 5041?

If 2560.256 = 25.6x, then what will be the value of x?

Which of the following pairs is NOT a pair of twin primes?

Kaushik bought a toy for Rs. 160 and sold it for Rs. 180. The rate of profit was ___%.

If sin 30° + cos 45° = X, then the value of X.

Calculate the distance (in cm) of the chord from the centre of the circle, if the chord of length 48 cm is drawn in the circle of radius 25 cm.

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

Vishnu spends Rs. 5000 in buying 12 tables and some chairs. The cost of one table is Rs. 50 and that of one chair is Rs. 40. What is the ratio of the numbers of tables purchased?