If △ABC is right angled at B, AB = 12 cm and ∠CAB = 60°, determine the length of BC.

The price of diesel increases by 5% every year. If the current price of diesel is ₹80 per litre, then what will be the price of diesel per litre after 2 years?

In Tata company there are 78000 employees out of which males and females are in the ratio 7 : 6. Out of the males 35% are working as HR and out of females 25% are working as HR. Find the total number of employees working as HR in the company.

Directions: Find the wrong number in the following number series:

The ratio between Males who use their coupon in Pedicure to that of in Spa is 4: 5, while ratio between Females who use their coupon in Haircutting to that of in Spa is 6: 11. Find total number of people who use their coupons in Spa. 

The simple interest on an amount at the rate of 7 percent for five years is Rs 700. So how much is the principal?

What value will come in place of question mark (?) in the following questions?

(?)² + 1 = 212 + 172

Shivani purchased five pens for ₹600. She sells these five pens at the rate of ₹50 per pen. What is the approximate lo percentage that Shivani incurred on selling the five pens?

If p = 8.15, q = 9.06 and r = −17.21, then the value of p³+q³+r³-3pqr