CAT Practice Question and Answer
8Q: Word length of a personal computer is 2663 05b5cc642e4d2b4197774bb7c
5b5cc642e4d2b4197774bb7c- 132 bitfalse
- 216 bitfalse
- 38 bittrue
- 44 bitfalse
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Answer : 3. "8 bit"
Explanation :
Answer: C) 8 bit Explanation: Word length refers to the number of bits processed by a computer's CPU in one go. These days, typically 32 bits or 64 bits are used. Data bus size, instruction size, address size are usually multiples of the word size.
Q: Eight years ago, Ajay's age was 4/3 times that of Vijay. Eight years hence, Ajay's age will be 6/5 times that of Vijay. What is the present age of Ajay ? 2662 05b5cc6eee4d2b4197774ef04
5b5cc6eee4d2b4197774ef04- 141 yrsfalse
- 240 yrstrue
- 337 yrsfalse
- 433 yrsfalse
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Answer : 2. "40 yrs"
Explanation :
Answer: B) 40 yrs Explanation: Let the present ages of Ajay and Vijay be 'A' and 'V' years respectively. => A - 8 = 4/3 (V - 8) and A + 8 = 6/5 (V + 8) => 3/4(A - 8) = V - 8 and 5/6(A + 8) = V + 8 V = 3/4 (A - 8) + 8 = 5/6 (A + 8) - 8 => 3/4 A - 6 + 8 = 5/6 A + 20/3 - 8 => 10 - 20/3 = 10/12 A - 9/12 A => 10/3 = A/12 => A = 40.
Q: V-RAM is used for access of the following ? 2655 35b5cc6c3e4d2b4197774dc5e
5b5cc6c3e4d2b4197774dc5e- 1Programsfalse
- 2Video & Graphicstrue
- 3Text & Imagesfalse
- 4Allfalse
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Answer : 2. "Video & Graphics"
Explanation :
Answer: B) Video & Graphics Explanation: VRAM or (video RAM), reference to any type of random access memory (RAM) is a dual-ported variant of dynamic RAM (DRAM) used to store the framebuffer in graphics adapters.
Q: How many prime numbers exist in 65×359×113 ? 2655 05b5cc77fe4d2b419777501ab
5b5cc77fe4d2b419777501ab- 129false
- 231true
- 333false
- 427false
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Answer : 2. "31"
Explanation :
Answer: B) 31 Explanation: Given 65×359×113 ⇒2×35×5×79×113 ⇒25×35×59×79×113 Thus, there are (5 + 5 + 9 + 9 + 3)= 31 prime numbers.
Q: What should come in place of question mark (?) in the following number series? 132 156 ? 210 240 272 2652 05b5cc6c7e4d2b4197774de8c
5b5cc6c7e4d2b4197774de8c- 1196false
- 2182true
- 3199false
- 4204false
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Answer : 2. "182"
Explanation :
Answer: B) 182 Explanation: The given series follows a logic that 11 x 12, 12 x 13, 13 x 14, 14 x 15, 15 x 16,... So the missing number is 13 x 14 = 182
Q: ______ : trail :: grain : grail 2651 05b5cc6dbe4d2b4197774e90e
5b5cc6dbe4d2b4197774e90e- 1pathfalse
- 2holyfalse
- 3traintrue
- 4wheatfalse
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Answer : 3. "train"
Explanation :
Answer: C) train Explanation: Train becomes trail when the "n" is replaced by an "l", and grain becomes grail when the "n" is replaced by an "l".
Q: GUI stands for 2650 05b5cc675e4d2b4197774c0f6
5b5cc675e4d2b4197774c0f6- 1Graphical Universal Interfacefalse
- 2Graph Use Interfacefalse
- 3Graphical Unique Interfacefalse
- 4Graphical User Interfacetrue
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Answer : 4. "Graphical User Interface"
Explanation :
Answer: D) Graphical User Interface Explanation: GUI stands for Graphical User Interface. A Graphical User Interface is a computer interface that allows users to interact with a device through graphical elements such as pictures and animations, as opposed to text-based commands.
Q: The concentration of glucose in three different mixtures (glucose and alcohol) is 12,35 and 45 respectively. If 2 litres, 3 litres and 1 litre are taken from these three different vessels and mixed. What is the ratio of glucose and alcohol in the new mixture? 2649 05b5cc6b9e4d2b4197774d76b
5b5cc6b9e4d2b4197774d76b- 13:2true
- 24:3false
- 32:3false
- 43:4false
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Answer : 1. "3:2"
Explanation :
Answer: A) 3:2 Explanation: Concentration of glucose are in the ratio = 12:35:45 Quantity of glucose taken from A = 1 liter out of 2 Quantity of glucose taken from B = 3/5 x 3 = 1.5 lit Quantity of glucose taken from C = 0.8 lit So, total quantity of glucose taken from A,B and C = 3.6 lit So, quantity of alcohol = (2 + 3 + 1) - 3.6 = 2.4 lit Ratio of glucose to alcohol = 3.6/2.4 = 3:2