Quantitative Aptitude - Arithmetic Ability Questions

HCF and LCM of two numbers are 11 and 825 respectively. If one number is 275 find the other number.

Which of the following pair of numbers is the solution of the equation 3x+2+ 3–x= 10 ?

If 1 + (1/2) + (1/3) + ... + (1/20) = k, then what is the value of (1/4) + (1/6) + (1/8) + ... + (1/40)?

Chord AB of a circle when extended meets the tangent to the circle at point P. PT is the tangent touching the circle at point T. If lengths of PT and PB are 6 cm and 4 cm respectively, what is the length of PA?

At 9.5% simple interest per annum a sum of money became Rs. 942 in 6 years. The sum initially invested was:

A vendor buys bananas at 9 for Rs 8 and sells at 8 for Rs 9. What will be the profit or loss (in %)?

A starts a business, after 6 months B also join him with Rs.4500 and after 2 months of B’s joining C also join them with Rs.4500. If A gets approx. Rs 4900 out of total annual profit of Rs. 10,000 then find the approximate value of initial investment of A.

If Sin θ = 20/29, then what is the value of Cos θ?