What is the mean of 12 , 27 and 147 ? Answer: 8) B /12 = √√2 x 2 x 3 = 2√3√27 = 3x3x3 = 3√3147 = √7x7x3 =…

In a sale, the normal price of a camera is reduced by 20%. The sale price of the camera is £180. Which expression gives the normal price of the camera?…

Find the value of √6x102 +4x101 / 1.2x10-2 +4x10-3 ? Answer: 8) E To solve this simply, we just need to not use the figures given as standard form. Using…

My wallet contains two 50p coins and five 20p coins only. I need 70p to buy an item. If I pick two coins at random from my wallet, what is…

In a group of 20 patients at a medical centre, 5 suffered from migraines. Two patients from the group of 20 were picked at random for a survey on the…

The mean mass of a group of N people is 75 kg.Jim, Karen and Leroy join this group, without anyone leaving; the new mean mass is 78 kg.The mean mass…

PQR is an isosceles triangle in which PQ=PR=6cm and QR =8cm. What is the value of the tangent of angleܴܳܲ ? Answer: 8) E Divide the isosceles triangle into two…