Which of the following options is incorrect? AAddition and multiplication are commutative for rational numbers BSubtraction and division are not associative for rational numbers CAddition is associative for rational numbers DRational numbers are closed under division
Mihika rides the school bus for 45 minutes each day. What is the total time Mihika rides the school bus in 5 days? A2 hours 15 minutes B2 hours 25 minutes C3 hours 45 minutes D3 hours 75 minutes
Jaya is 92 cm tall. Her brother Abhishek is twice as tall as Jaya. How tall is Jaya's mother if she is 36 cm shorter than Abhishek? A164 cm B152 cm C148 cm D136 cm
A, B, C, D, E, F, G and H are sitting around a circle facing the centre. D is second to the left of H, who is third to the left of A B is fourth to the right of C, who is the immediate neighbour of H. G is not a neighbour of B or C. F is not a neighbour of B.How many of them are sitting between C and B? ATwo BFour CTwo or Four DThree
The value of is ________ . A B C D
Anjali has some apples as shown below : How many apples are there in each group, if 4 groups having same number of apples are formed? A16 B20 C5 D18
A10 B11 C12 D13
Mrs. Nancy divided Rs 10,260 among Bob, jack and Tom respectively in such a way that Bob gets 3 times of what jack gets and jack gets double of what Tom gets. Find the amount Bob, jack and Tom gets respectively. ARs 6840, Rs 1140 and Rs 2280 BRs 6840, Rs 2280 and Rs 1140 CRs 2480, Rs 2280 and Rs 1140 DRs 1140, Rs 6810 and Rs 2420
Which of the following numbers is divisible by 11? A90728 B76844 C863422 D90729
State 'T' for true and 'F' for false and select the CORRECT option. I. If a quadratic polynomial f(x) is a square of a linear polynomial, then its two zeroes are coincident. II. If a quadratic polynomial f(x) is not factorisable into linear factors, then it has no real zero. III. If graph of quadratic polynomial ax2 + bx + c cuts positive direction of y-axis, then the sign of c is positive. IV. If fourth degree polynomial is divided by a quadratic polynomial, then the degree of the remainder is 2.