Answer the following questions.
(i) If the given figure (not drawn to scale) shows a
rectangular field and shaded region shows the path
of equal width, then find the area of the shaded
region in the given figure.
(ii) The cost of ploughing a field at ₹ 9 per square
metre is ₹ 4104. If the field is 28.5 m long, then
find the cost of fencing it at ₹ 5 per metre.
| (i) | (ii) | |
|---|---|---|
| A | 662 sq. m | ₹ 450 |
| B | 424 sq. m | ₹ 570 |
| C | 724 sq. m | ₹ 330 |
| D | 456 sq. m | ₹ 445 |
State 'T' for true and 'F' for false and select the CORRECT option.
(i) A prime number cannot have 0, 2, 4, 5, 6 and 8 at its ones place except 2.
(ii) Two numbers are called co-primes, if their L.C.M. is 1.
(iii) If X is a factor of Y and Y is a factor of Z, then X is also a factor of Z.
(iv) 4 is the smallest composite number.
| (i) | (ii) | (iii) | (iv) | |
|---|---|---|---|---|
| A | T | T | F | T |
| B | F | F | T | T |
| C | T | F | T | T |
| D | T | F | T | F |
to get 1?
