Quantitative Aptitude - Arithmetic Ability Questions

In ΔPQR, PQ = PR = 18 cm, AB and AC are parallel to lines PR and PQ respectively. If A is the mid-point of QR, then what is the perimeter (in cm) of quadrilateral ABPC?

In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If lengths of PS, SQ and PR are 6 cm, 9 cm and 12.5 cm respectively, what is the length of TR?

A mixture of 50 kg of cement and gravel contains 10% of gravel. How many kg of gravel must be added to make the gravel content 28% in the new mixture?

What is the sum of all natural numbers between 100 and 400 which are divisible by 13?

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

If x = 2+32-3, then what is the value of x2+x-9 ?

What is the value of [sin (90 – A) + cos (180 – 2A)]/[cos (90 – 2A) + sin (180 – A)]?

What is the value of 5.6x0.36+0.42x3.20.8 x 2.1 ?