Quantitative Aptitude - Arithmetic Ability Questions

If 2x + 2(4 + 3x) < 2 + 3x > 2x + x/2; then x can take which of the following values?

What is the unit digit of 15+25+35+...+205 ?

Which of the following numbers will have an irrational square root?

A wholesaler sells a watch to a retailer at a gain of 35% and the retailer sells it to a customer at a loss of 25%. If the customer pays Rs 2379.375, what had it cost the wholesaler?

If the angle of elevation of the top of a pillar from the ground level is raised from 30° to 60°, the length of the shadow of a pillar of height 503 will be decreased by

25% discount is offered on an item. By applying a promo code the customer wins 22% cash back. What is the effective discount?

If the product of two numbers is 2646 and their LCM is 42 then their HCF is

Find the common factor of (3757+4357) and (3737+4337) ?