Quantitative Aptitude - Arithmetic Ability Questions

Consider the following for real numbers α, β, γ and δ ?

1) sec α = 1/4

2) tan β = 20

3) cosec γ = 1/2

4) cos δ = 2

How many of the above statements are not possible?

What approximate value will come in place of the question mark(?) in the below question?

(47% of 1442  - 36% of 1412) + 63 = ?

If 0.75: x :: 5:8, then x is equal to:

A sum of money amounts to Rs.6690 after 3 years and to Rs.10,035 after 6 years on compound interest.find the sum.

ΔXYZ is right angled at Y. If m∠Z = 30°, then find the value of (sinX - 3/√2).

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

Solve the following :

196 - 19.6 - 1.96 - 0.196 = ?

Read the data given below and answer the questions based on it.

In the CBSE Board exams last year, 53% passed in Biology, 61% percent passed in English, 60% in Social studies, 24% in Biology and English, 35% in English and social studies, 27% in Biology and social studies and 5% in none.

What is the percentage of students who passed in all subjects?