Quantitative Aptitude - Arithmetic Ability Questions

If the age of Rahul is 5 years more than his friend Ajay's age and the age of Rahul's wife is 6 years less than Rahul, and Ajay's wife is 1 year older than Rahul's wife, then which of the following statements is true?

Ages of Lalu and Balu are in the ratio of 1 : 2. After 7 years their ages ratio changes to 3 : 5. The elder person age is

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

In the following question, select the odd letter/letters from the given alternatives.

The mode of the data -3, 4, 0, 4, -2, -5, 1, 7, 10, 5 is

If θ is acute angle and tan θ – cot θ = 0, then what is the value of tan26θ + cot100θ?

What is the value of (cot30°+ 2/√3) ?

What is the difference (in Rs) between compound interest (compounded annually) and simple interest for 3 years on a principal of Rs 3000 at the annual rate of 20%?