Quantitative Aptitude - Arithmetic Ability Questions

If 3/4 of the weight of a brick is 7/8 kg, then 5/7 of the weight of the brick will be

What approximate value should come at the place of question mark (?) in the following questions (You are not expected to calculate the exact value).

(111.93 × 5) ÷ 14.02 = 11.002 + ?

Determine the value of  'a' which satisfies the equation 9a + 40a = 41a

The average marks of 56 students is shown as 60. It includes a wrong entry of 92 marks instead of 29 marks. The correct average is _____ .

Flight A usually takes 1 hour more than Flight B to travel a distance of 7200 km. Due to engine trouble speed of flight B falls by a factor of 1/6th, so it takes 36 minutes more than Flight A to complete the same journey? What is the speed of Flight A (in km/hr)?

A shopkeeper, sold walnuts at the rate Rs 1,190 a kg and bears a loss of 10%. Now if he decides to sell it at Rs 1,249.5 per kg, what will be the result?

If Sin x = 4/5, then Cosec x + Cot x =

ABCD is square and CDE is an equilateral triangle outside the square. What is the value (in degrees) of ∠BEC?