Instructions

For the following questions answer them individually

Question 61

An element has an atomic number of 15. With which of the following elements will it show similar chemical properties?

Question 63

The hypotenuse of a right-angled triangle is $$14\sqrt2$$ cm long. What is the area of the circumcircle of the said triangle? [Use $$\pi = \frac{22}{7}$$]

Question 64

A pipe can fill a tank in 12 hours. By mistake another pipe that empties the tank is left open and the tank is filled in 16 hours. If the tank is fill, how much time will the second pipe take to empty it?

Question 69

You are given a question and two statements. Identify which of the statements islare sufficient to answer the question.**Question: **

Meenu has 5 boards of 3 different shapes â€” square, rectangular and circular. How many circular boards does she have? **Statements: **

1. There are 3 square boards.

2. The number of rectangular boards is one-third of the number of square boards.

Question 70

Read the given statement(s) and conclusions carefully. Assuming that the information in the statements is true, even if they appear to be in variance with commonly known facts, select which of the conclusions logically follow(s) from the statement(s) beyond reasonable doubt. **Statements: **

All caps are cups. All bowls are cups **Conclusions:**

(I) Some bowls are caps

(II) No bowl is cap