Directions : What will come in the place of the question mark (?) in the following number series?

16, ?, 8, 12, 24, 60

In a given circle, the chord PQ is of length 18 cm. AB is the perpendicular bisector of PQ at M. If MB=3. Find the length of AB?

A 240 m long train crosses a 300 m long platform in 27 seconds. What is the speed of the train in km/h?

If the selling price of a shirt is reduced from 440 to ₹410, the loss increases by 4%. What is the cost price of the shirt?

Average of 11 number is 30. If the average of first 10 numbers is 22, then find the 11th number?

Mohan purchased an article and sold it for Rs 2817.50 and earned 15% profit on the cost price. What was the cost price of the article?

30 dozen walnuts were purchased for Rs. 14400 and 32 packets of walnuts (20 walnuts in each packet) were purchased for Rs. 57600. If a packet of Akharato was sold for five rupees in a pack at Rs. 432, what would be the profit percentage?

A hostel has 120 students and food supplies are for 45 days. If 30 more students come to that hostel, then in how many days will the food items be finished there?