Quantitative Aptitude - Arithmetic Ability Questions

If sec2θ + tan2θ = 5/3, then what is the value of tan2θ?

19 personswentto a hotel for a combineddinner party. 13 of them spent Rs 79 each on their dinner and the rest spent Rs 4 more than the average expenditure of all the 19. What was the total money spent by them?

In the following question, select the odd word from the given alternatives.

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

At what percentage above the cost price must an article be marked so as to gain 33% after allowing a customer a discount of 5%?

At a telephone exchange, three phones ring at intervals of 20 sec, 24 sec and 30 seconds. If they ring together at 11 : 25 a.m, when will they next ring together?

If the value of 3-1.732, then calculate the value of 243-12108-147

If a(a + b + c) = 45, b(a + b + c) = 75 and c(a + b + c) = 105, then what is the value of (a2 + b2 + c2 )?