Quantitative Aptitude - Arithmetic Ability Questions

Find the odd figure?

What value should come in place of the question mark (?) in the following question?

68 x ? - 3421 = 591

Select the letter which does NOT belong to the group.

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

In an examination, a pupil's average marks were 63 per paper. If he had obtained 20 more marks for his Geography paper and 2 more marks for his History paper, his average per paper would have been 65. How many papers were there in the examination ?

In the figure ∠AMB = 130°, then what is the value (in deg) of ∠ABQ?

Bhajan Singh purchased 120 reams of paper at Rs 80 per ream. He spent Rs 280 on transportation, paid octroi at the rate of 40 paise per ream and paid Rs 72 to the coolie. If he wants to have a gain of 8 %, what must be the selling price per ream?

Select the figure which does not belong to the group.