Mix Test - 4...

Which of the following values of x and y represents the solution of the pair of equations 3x + 7y = 20 and 2x + 3y = 10?

Which of the following expressions is always true?

If one root of the equation x² + px + q = 0 is double the other, then p²/q is equal to

If the points A (2, 5), B (– 7, 2) and C (a, 3) are collinear, then find the value of a.

The circumference of a circle is 88 cm. What will be the length of an arc that subtends an angle of at the centre of the circle?

What values of x satisfy < – ?

Equation of a straight line is 3x + y + 3 = 0. If B is the point where the line crosses the y-axis, then find the coordinates of B.

A brick measures 20 cm x 10 cm x 7 cm. How many such bricks will be required to build a wall that is 25 m long, 2 m high and m thick?

Mrs. Sharma earns one-third of what her husband earns. Her husband earns Rs. 6600 per month. How much does Mrs. Sharma earn in two months?

The sides of a rectangular park are in the ratio 3 : 2 and its area is 3750 square metres. The total cost of fencing the park at 50 paise per metre is

Which of the following statements is true about an exterior angle of a triangle?

In a fraction X, if thrice the denominator is decreased by 30% and twice the numerator is increased by 10%, then the resultant fraction is 22% of 26/21. Find the fraction X.

Ram has 3 more oranges than Shyam, Krishna has 4 more oranges than Rajiv and Rajiv has 3 times the number of oranges as that of Ram. Find the number of oranges that Krishna has when Ram and Shyam give their oranges to him. Assume that the total number of oranges is 33.

Nidhi arranged to pay off a debt of Rs. 3,600 to CASA bank in 40 annual installments in the form of an AP. When 30 installments had been repaid, she died, leaving one-third of the debt unpaid. What was the value of the first installment (in Rs.)?

For the given figure, which of the following options is not true?