Quantitative Aptitude - Arithmetic Ability Questions

If secA + tanA = x, then the value of x is

If a - b = -5 and a2+b2=73, then find ab.

The average height of 40 sticks is 154 cm. Some sticks of average height 160 cm are taken out. If the new average height is 150 cm, then how many sticks are remaining?

What should be the average speed of a car to cover a distance of 189 km in 3.5 hours?

Solution A contains 10% acid and solution B contains 30% acid. In what ratio should solution A be mixed with Solution B to obtain a mixture with 25% acid?

In an equilateral triangle of side 24 cms, a circle is inscribed touching its sides. The area of the remaining portion of the triangle is equal to

Choose the word is least like the other words in the group

20% discount is offered on an item. By applying a promo code the customer wins 10% cash back. What is the effective discount?