Magic Square

Q. Find the value of x, y and z for the given magic sqaure.
$$\begin{array}{ccc}x& z& 11\\ 17& y& 1\\ 7& 5& 15\end{array}$$

1. 9, 3, 13
2. 9, 3, 6
3. 3, 9, 13
4. 1, 4, 7

Q. Find the 'magic sum' for the given magic square.
$$\begin{array}{ccc}16& 9& 14\\ 11& 13& 15\\ 12& 17& 10\end{array}$$

1. 117
2. 13
3. 169
4. 39

Q. Find the number of dots in the tenth figure of the following patterns.

1. 
   121
2. 
   25
3. 
   100
4. None of the above

Q. Choose or find odd number pair
$(45-27),(30-18),(20-10),(15-12)$

1. $45-27$
2. $30-18$
3. $20-10$
4. $15-12$

Q. Simplify:

(7) –16 + [4 + 3]

Q. Simplify:

(5) [5 + (–3)] + 6

Q.

Q.write first ten natural numbers whose dot pattern can be arranged as=

(a)square

(b)triangle

Q. Simplify:

(6) 5 + [(–3) + 6]