Bright Zoom Maths

Aptitude Notes 1. Time & Work  ( MCQ - 1 to 4) Question  :  1 A and B complete a work in 6 days. A alone can do it in 10 days. If both together can do the work in how many days? A. 3.75 days B. 4 days C. 5 days D. 6 days Answer : A. 3.75 days Explanation: 1/6 + 1/10 = 8/30 = 4/15,  15/4 = 3.75 days Question  : 2 A  B together can do a piece of work in 8 days. If A alone can do the same work in 12 days, then B alone can do the same work in? A. 20 days B. 16 days C. 24 days D. 28 days Answer : C. 24 days Explanation: B = 1/8 – 1/2 = 1/24 => 24 days Question  : 3 A can do a piece of work in 4 days. B can do it in 5 days. With the assistance of C they completed the work in 2 days. Find in how many days can C alone do it? A. 10 days B. 20 days C. 5 days D. 4 days Answer : B. 20 days Explanation: C = 1/2 - 1/4 - 1/5  = 1/20 => 20 days Question  : 4 A and B can do a piece of work in 6 2/3 days and 5 days respectively. They work together fo...

 APTITUDE PART-A: VERBAL APTITUDE ANALOGY Analogy (Objects) Analogy means a degree of similarity; i.e., having similar features. Here we understand the relationship between two given objects and apply the same relationship to find what has been asked. Example:  Kite, Bird , Boat:? (a) Crow (b) Fish (c) Tiger (d) Car Here the relationship between Kite and Bird is that they both move throughair. Similarly, we can say that Boat and Fish move through water. Henceour answer is Fish. Tick the right choice. 1. Summer Cooler Winter a) Heater (b) Washing machine (c) Coat (d) Fridge 2. Water Glass Tea (a) Ten pot (b) Cup (c) Saucer (d) Tray 3. Pencil box Pencils Key chain (a) Square (b) Sphere (c) Cuboid (d) Cylinder 4. Dice Cube Match box (a) Purse (b) Shopping bag (c) Bangles (d) Keys 5. Shuttle cock Cone Globe (a) Circle (b) Cube (c) Cuboid (d) Sphere 6. Train Railway track Bus: (a) Diesel (b) Road (c) Bus-stop (d) Driver 7. Earthworm Crawl...