A small rectangular garden is three times as long as it is wide. If garden was 3 m shorter and 3 m wider, then it would form a square. What are the original dimensions? (A) 9 × 3 (B) 4 × 2 (C) 12 × 9 (D) 15 × 4 Answer a
A designer decided to build desks for students in the School. The dimensions are shown below. How much wood will be needed for 30 such desks? ( figure at top ) (A) 2700 cm^2 (B) (B) 80000 cm^2 (C) 21000 cm^2 (D) 81000 cm^2 Answer d
If (x + 1) is factor of equation xn + 1, then which of the statements given below is right? (A) n is an odd integer (B) n is an even integer (C) n is a negative integer (D) n is a positive integer Answer a
Seema sells to the first customer half of her stock and half of her oranges, to the second Customer she sells half her remaining oranges and half a oranges and so on to the third and fourth customer. 15 oranges are left with her now. How many oranges did she have before seema started selling her oranges? (A) 63 (B) 127 (C) 220 (D) 289 Answer d
Which of the following statements is true? Statement A: Two triangles are said to be congruent if their two sides and one of their angles of one triangle are respectively equal to the two sides and an angle of the other. Statement B: Two triangles are congruent if the two given sides and the included angle of one of the triangles are equal to the corresponding two sides and the included angle of the other triangle. (A) Statement A is false and statement B is the correct explanation of A. (B) Statement A is true and statement B is the correct explanation of A. (C) Statement A is true and statement B is false. (D) Statement A is false and statement B is true. Answer a
In a certain secret message code , EXPLAINING is written as PXEALNIGNI. Then PRODUCTION will be written as? (A) ORPUDTINOC (B) ROPUDTIONC (C) ORPUDTCNOI (D) ORPUDTCNIO Answer c
What will happen to the inertia of a ball when its velocity will be doubled? (A) The inertia of a ball becomes 2 times lesser (B) The inertia of a ball becomes 2 times greater (C) The inertia of a ball becomes 4 times greater (D) Inertia remains the same. Answer d
Read the following statements and choose the correct option: Statement 1: Mercury is extremely hot during the day and turns freezing cold during the night. Statement 2: Sun is close to mercury, and mercury does not have its own atmosphere. (A) Statement 1 is correct but statement 2 is incorrect. (B) Statement 2 is correct but statement 1 is incorrect. (C) Both the statements are correct and statement 2 is the correct explanation of statement. (D) Both the statements are correct but statement 2 is not the correct explanation of statement. Answer c
Change A: Anaerobic bacteria can digest the animal waste and can be used to make biogas. Change B: The biogas can be then burnt as a clean fuel. The following statements pertain to the above changes. Choose the correct one: (A) A is a chemical change whereas B is a physical change. (B) A is a physical change whereas B is a chemical change. (C) Both A and B are physical changes. (D) Both A and B are chemical changes. Answer d
What are the adaptations shown by penguins to survive in extreme winter?
Penguin live in groups and get huddled together to keep themselves warm.
Penguin possess short, thick and waterproof feathers.
Penguin have streamlined body, paddle-like webbed feet and wings shaped like flippers.
Penguin have white, dense and fine fur that traps air to keep them warm. (A) Only 1 (B) Only 2 (C) Both 2 and 4 (D) 1,2,3 Answer d
