Advertisements
Advertisements
प्रश्न
Which out of the following are expressions with numbers only?
- y + 3
- (7 × 20) − 8z
- 5 (21 − 7) + 7 × 2
- 5
- 3x
- 5 − 5n
- (7 × 20) − (5 × 10) − 45 + p
उत्तर
It can be observed that the expressions in alternatives (c) and (d) are formed by using numbers only.
APPEARS IN
संबंधित प्रश्न
If x = 1, y = 2 and z = 5, find the value of x2 + y2+ z2
Write the numerical coefficient of −2x3y2z
Subtract:
6x3 − 7x2 + 5x − 3 from 4 − 5x + 6x2 − 8x3
How much is a + 2a − 3c greater than 2a − 3b + c?
By how much does 3x2 − 5x + 6 exceed x3 − x2 + 4x − 1?
Omar helps his mother 1 hour more than his sister does.
If a note book costs Rs p and a pencil costs Rs 3, then the total cost (in Rs) of two note books and one pencil.
Leela contributed Rs. y towards the Prime Minister’s Relief Fund. Leela is now left with Rs. (y + 10000).
Perimeter of a triangle is found by using the formula P = a + b + c, where a, b and c are the sides of the triangle. Write the rule that is expressed by this formula in words.
Form expressions using t and 4. Use not more than one number operation. Every expression must have t in it.