Putting it together

Q.

During a mass drill exercise, 6250 students of different schools are arranged in rows such that the number of students in each row is equal to the number of rows. In doing so, the instructor finds out that 9 children are left out. Find the number of children in each row of the square.

1. 77
2. 70
3. 97
4. 79

Q. What is the value of $\sqrt{\frac{x+2y}{8y}}$ if $x=5.6$ and $y=3.1$ correct to 2 decimal places?

1. 2.62
2. 0.69
3. 2.83
4. 4.77

Q. Plastics are used widely these days because they:

1. are highly reactive
2. are cheap
3. conduct electricity and heat
4. can be decomposed easily

Q. The number of 0's at the end of a perfect square number is ___.

1. Composite
2. Even
3. Odd
4. Prime

Q. The value of $\sqrt{99}\times \sqrt{396}$ is:

1. 208
2. 198
3. 254
4. None of these

Q. What is the square of 1.2?

1. 0.144
2. 14.4
3. 144
4. 1.44

Q. What is the square of 23?

1. 529
2. 289
3. 1089
4. 729

Q. The value of $\sqrt{99}\times \sqrt{396}$ is:

1. 208
2. 198
3. 254
4. None of these

Q. What will be the product of a binomial and a monomial expression?

1. either
2. monomial
3. binomial
4. trinomial

Q. The square root of $42\frac{583}{1369}$ is:

1. $4\frac{2}{11}$
2. $7\frac{2}{121}$
3. None of these
4. $6\frac{19}{37}$

Q. What is the square root of 4096?

1. 64
2. 26
3. 34
4. 36

Q. Which of the following numbers is a perfect square?

1. 3857
2. 9842
3. 2061
4. 2448