Quantitative Aptitude - Arithmetic Ability Questions

What is the equation of line whose slope is -1/2 and passes through the intersection of the lines x - y = -1 and 3x - 2y = 0?

What is the area of the sector whose central angle is 90° and radius of the circle is 14 cm?

If two successive discounts of 50% and 10% are offered, then what is the net discount (in %)?

Curved surface area of a cylinder is 1232 sq cm. If circumference of its base is 154 cm, then what will be the height of the cylinder? (Take π = 22/7)

If sec -7π/4 = x, then the value of x is

When Bablu decreases the selling price of the shoes from Rs. 360 to Rs. 345, his loss increases by 4%. The cost price of the shoes is

ax + 3y = 6 has slope -2/3. What is the value of a?

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