Question : In a magnifying glass, _________ lens is used.

Option 1: convex

Option 2: concave

Option 3: plano-concave

Option 4: plano-convex

Question : The length of a rectangle is increased by 10% and breadth is decreased by 10%. The area of the new rectangle is:

Option 1: neither increased nor decreased.

Option 2: increased by 1%.

Option 3: decreased by 2%.

Option 4: decreased by 1%.

Question : Two equal glasses filled with alcohol and water in the proportions 2 : 1 and 3 : 2 are emptied into a third glass. The proportion of alcohol and water in the third glass will be:

Option 1: 13 : 17

Option 2: 19 : 17

Option 3: 13 : 11

Option 4: 19 : 11

Question : Directions: Needle is related to Sew in the same way as Microscope is related to __________.

Option 1: Lens

Option 2: Laboratory

Option 3: Magnify

Option 4: Science

Question : The company manufactures boxes of three types - plastic, wood and glass. The ratio of the numbers of plastic, wood and glass boxes is 2 : 3 : 5. The difference between the numbers of wood and glass boxes is 144. If the number of plastic boxes is increased by 25%, then what will be the number of plastic boxes now?

Option 1: 144

Option 2: 360

Option 3: 216

Option 4: 180