Find the third proportion to 2.4 kg, 9.6 kg.
The inverse ratio of 11:15 is:
If a: b = c: d = e: f = ……………, then each of these ratios is equal
The length of the rectangle is 5 cm more than its breadth if the perimeter of the rectangle is 40 cm find the area of rectangle
In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1:2: 3. If there isRs. 30 in all, how many 5 p coins are there?
Ajay and Raj together have Rs. 1050. On taking Rs. 150 from Ajay will havesame amount as what Raj had earlier. Find the ratio of amounts with Ajay and Raj initially.
The linear relationship between are variable in an inequality:
The average cost function of a good is 2Q+6+ Q/13 where Q is the quantity produced. The approx. cost at Q = 15 is___
A number consist of two digits the digit in the ten’s place is twice the digit in the unit’s place. If 18 be subtracted from the number, the digits are reversed. Find the number.
If the equation x2 + px + q = 0 and x2 + qx + p = 0, have a common root, then p + q+1
If x2 + αx + 10 = 0 and x2 + bx -10 = 0 have a common root, then, a2 – b2 is equal to
x2 – 11x + a and x2 – 14x + 2a will have a common factor, if a = 42
How much interest will be earned on ‘2000 at 6 % simple interest for 2 years?
Find 𝟗! ÷ 𝟔! ; 𝟏𝟎! ÷ 𝟕!
Richa borrowed a sum of Rs. 4800 from Ankita as a loan. She promised Ankita that she will pay it back in two equal installments. If the rate of interest be 5% per annum compounded annually, find the amount of each installment.
If 5th and 12th terms of an A.P. are 14 and 35 respectively, find the A.P.
Six persons A, B, C, D, E and F are to be seated at a circular table. In how many ways can this be done, if A must always has either B or C on his right and B must always have either C or D on his right?
A builder borrows Rs. 2550 to be paid back with compound interest at the rate of 4% per annum by the end of 2 years in two equal yearly installments. How much will each installment be?
Insert three geometric means between 𝟏/9 and 9
Find the sum of 1st term of G.P. series 1+2+4+8+……
In a G.P. the product of the 1st three terms 27/8. The middle term is
If you save 1 paisa today, 2 paisa the next day and 4 paisa the succeeding day and so on, then your total savings in two weeks will be.
The sum of the infinite G.P series 1 -𝟏/3+ 𝟏/9– 𝟏/27 …..
Find the 10th term of the A.P.: 2, 4, 6, ….
The 10th term of an A.P. is -15 and 31st term is -57, find the 15th term
Which term of the A.P.: 5, 11, 17 … is 119?
Is 600 a term of the A. P.: 2, 9, 16, ….?
The common difference of an A.P. is 3 and the 15th term is 37. Find the first term.
If a, b, c is in G.P., then
A _____ is an ordered collection of objects.
The set of odd positive integers less than 10 can be expressed by ______
Power set of empty set has exactly _____ subset.
The members of the set S = { x|𝒙 is the square of an integer and x < 100} is __________
Let the set A is the {1, 2, 3} and B is {2, 3, 4}. Then number of elements in A U B is
Let the set A is {1, 2, 3} and B is {2, 3, 4}. Then number of elements in A Ո B is
Let the set A is {1, 2, 3} and B is {2, 3, 4}. Then the set A – B is
A dictionary is printed consisting of 7 lettered words only that can be made with a letter of the word CRICKET. If the words are printed at the alphabetical order, as in an ordinary dictionary, then the number of word before the word CRICKET is
The number of positive integral solutions of abc = 30 is
If two sets A and B are having 99 elements in common, then the number of elementscommon to each of the sets A x B and B x A are
The number of words from the letter word BHARAT, in which B and H will never come together, is
A = {x: x≠x} represents
Three girls and five boys are to be seated in a row so that no two girls sit together. Total no. of ways of this arrangement are:
Find an expression for y given 𝒅𝒚 ÷ 𝒅𝒙 = 𝒙_¾
dy = ∫ −𝟏𝟐𝐱−𝟒 dx solve it;