Question 68 (ii)
If A=3x2−4x+1,B=5x2+3x−8 and C=4x2−7x+3, then find
B + C - A
Question 99
What portion of a 'Saree' can Rehana paint in 1 hour, if it requires 5 hours to paint the whole Saree? In 435 hours? In 312hours?
Question 60
Renu completed 23 part of her homework in 2 hours. How much part of her homework had she completed in 1 14 hours?
Question 10
Only one of the four options is correct. Write the correct one.
If a bus travels 160 km in 4 hours and a train travels 320 km in 5 hours at uniform speeds, then the ratio of the distance travelled by them in one hour is
a) 1 : 2
b) 4 : 5
c) 5 : 8
d) 8 : 5