20 questions
Mr. R. K. Nair gets ₹ 6455 at the end of one year at the rate of 14% per annum in a recurring deposit account. The monthly installment is
Rs 1000
Rs 500
Rs 100
Rs 750
Solve: 1 ≥ 15 – 7x > 2x – 27, x ∈ N
The solution set is { 3, 4}.
The solution set is {1, 3, 4}.
The solution set is {2, 3, 4}.
None of these
Find the values of x if p + 1 = 0 and x2 + px – 6 = 0.
{-1,3}
{-2,3}
{0,1}
none of these
Find ‘a’ if the two polynomials ax3 + 3x2 – 9 and 2x3 + 4x + a, leaves the same remainder when divided by x + 3.
1
2
3
-3
Find the value of x in the following proportions:
10: 35 = x: 42
45
35
60
75
If a matrix has 4 elements, which order is not possible?
1 X 4
2 X 2
4 X 1
3 X 1
Which of the following lists of numbers form an A.P.?
4, 10, 16, 22, …
– 10, -6, -2, 2, …
2, 5/2, 3, 7/2, …
-2, 2, -2, 2, …
Samita has a recurring deposit account in a bank of ₹ 2000 per month at the rate of 10% p.a. If she gets ₹ 83100 at the time of maturity, find the total time for which the account was held.
1 year
2 Years
3 Years
none of these
Find the value(s) of p for which the quadratic equation (2p + 1)x² – (7p + 2)x + (7p – 3) = 0 has equal roots.
4,1
4, -4/7
2,4
-4/7,1
1
-1
1,-1
none of these
none of these
Find the sum of the first 51 terms of the A.P. whose second and third terms are 14 and 18 respectively.
5610
561000
5634
none of these
A two-digit positive number is such that the product of its digits is 6. If 9 is added to the number, the digits interchange their places. Find the number.
23
32
41
14
Find positive integers which are such that if 6 is subtracted from five times the integer then the resulting number cannot be greater than four times the integer.
{6}
{ 1, 2, 3, 4, 5 }
{ 1, 2, 3, 4, 5, 6}
none of these
Find the remainder when 2x3 – 3x2 + 4x + 7 is divided by 2x + 1
4
2
5
none of these
Find two numbers such that the mean proportional between them is 28 and the third proportional to them is 224.
12 and 36
8 and 32
14 and 56
none of these
If the sum of the first 6 terms of an A.P. is 36 and that of the first 16 terms is 256, find the sum of the first 10 terms.
200
100
123
none of these
If the sum of two smaller sides of a right-angled triangle is 17cm and the perimeter is 30cm, then find the area of the triangle.
15 cm2
30 cm2
45 cm2
none of these
The first and the last terms of an A.P. are 17 and 350 respectively. If the common difference is 9, how many terms are there
32
40
38
none of these
2:3
3:2
1:5
none of these