Quantitative Aptitude - Arithmetic Ability Questions

The reciprocals of the squares of the numbers 11⁄2 and 11⁄3 are in the ratio

What is the value of sec 30° + cot 30°?

What is the value of 2sec2A?

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

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives .

The 3rd and 9th term of an arithmetic progression are -8 and 10 respectively. What is the 16th term?

ΔXYZ is right angled at Y. If m∠X = 30 deg, then find the value of (sinZ + √3).