For the following questions answer them individually
The difference between the compound interest and simple interest on ₹ x at 8.5% per annum for 2 years is ₹ 28.90. The value of x is:
The following table indicates the number of students studying in three disciplines in five colleges:
What percentage of total students are studying in the commerce stream in all five colleges together?
Two articles are sold for ₹ 10,005 each. On one,the seller gains 15% and on the other, he loses 13%. What is his overall gain or loss percent, correct to two decimal places?
$$\triangle$$ABC $$\sim$$ $$\triangle$$PQR and PQ = 6 cm, QR = 8 cm and PR = 10 cm.If ar($$\triangle$$ABC) : ar($$\triangle$$PQR) = 1 : 4, then AB is equal to:
A train without stop page travels with an average speed of 65 km/h and with stoppage,it travels with an average speed of 52 km/h. For how many minutes does the train stop on an average per hour?
Chords AB and CD of a circle, when produced, meet at a point P out side the circle. If AB = 6 cm, CD = 3 cm and PD = 5 cm, then PB is equal to:
A is 40% more efficient than B and C is 20% less efficient than B. Working together, they can finish a task in 15 days. In how many days, will B alone complete 75% of the task?