Mathematics MCQs for LAT Preparation

281.

The conditions for the polynomial equation a * x ^ 2 + bx + c = 0 to be quadratic is

a > 0

a < 0

a≠0,

a≠0, b ne0

282.

Solve: 7x + 11y = 1 8x + 13y = 2

x = - 5 y = 3

x = - 7 y = 5

x = - 3 y = 2

none

283.

Solve: - 3/2 * x + 4/3 * y = 8 3/2 * x + 1/3 * y = 2

x = 3 Y = 4

x = 0, y = 6

x = 6 y = 0

x = 1, y = 1

284.

If 4 ^ a = 5 ^ b what is the ratio of a to b?

0.8

0.86

1.08

1.16

285.

If 4 ^ a = 8 ^ b what is the ratio of a to b?

1/2

2/3

3/2

2/1

286.

If the sum of two numbers is 13 and the difference of the numb is 23, what is the product of the numbers?

-90

-23

0

18

287.

Which of the following is a solution of the equation overline 2x + 5 = 3

5

6

8

the equation has no solution

288.

If (x + 3)/2 + 3x = 5(x - 3) + (x + 23)/5 what is the value of x?

3

5

7

9

289.

If 4x + 13 = 7 - 2x what is the value of x?

-10/3

-3

-1

1

290.

The average of two numbers is 62. If 2 is added to the smaller number, the ratio between the numbers becomes 1: 2. The smaller number is

40

66

49

69

Showing Mcqs of MATH -- (543)