CAT Practice Question and Answer
8Q: A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, then how old is B ? 1488 05b5cc6e7e4d2b4197774ed6f
5b5cc6e7e4d2b4197774ed6f- 110 yrstrue
- 211 yrsfalse
- 312 yrsfalse
- 413 yrsfalse
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Answer : 1. "10 yrs"
Explanation :
Answer: A) 10 yrs Explanation: Let C's age be x years. Then, B's age = 2x years. A's age = (2x + 2) years. (2x + 2) + 2x + x = 27 5x = 25 => x = 5 Hence, B's age = 2x = 10 years.
Q: Who has become the first batsman to score three double tons in One Day Internationals? 1488 05b5cc6bae4d2b4197774d7c1
5b5cc6bae4d2b4197774d7c1- 1Virat Kohlifalse
- 2AB de Villiersfalse
- 3Chris Gaylefalse
- 4Rohith Sharmatrue
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Answer : 4. "Rohith Sharma"
Explanation :
Answer: D) Rohith Sharma Explanation:
Q: What is x squared plus x squared? 1488 05b5cc666e4d2b4197774bef3
5b5cc666e4d2b4197774bef3- 14xfalse
- 22x^2true
- 3x^4false
- 42xfalse
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Answer : 2. "2x^2"
Explanation :
Answer: B) 2x^2 Explanation: In an algebraic expression, like terms are terms that contain the same variables raised to the same powers. Calculating x-squared plus x-squared is a matter of combining like terms. Now x^2 + x^2 = 2x^2 Hence, x-squared plus x-squared is equal to 2 times x squared.
Q: Which party has announced that the party is quitting from the BJP-Led NDA Alliance at the center? 1488 05b5cc6a3e4d2b4197774cbed
5b5cc6a3e4d2b4197774cbed- 1Shiv Senafalse
- 2Telugu Desham Partytrue
- 3Lok Janshakti Partyfalse
- 4Janata Dal Unitedfalse
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Answer : 2. "Telugu Desham Party"
Explanation :
Answer: B) Telugu Desham Party Explanation: Andhra Pradesh's TDP - Telugu Desam Party, today i.e on 16th March 2018 quit the NDA government at the Centre a week after two of its ministers resigned from the Union cabinet over the issue of special status for Andhra Pradesh.
Q: What is the gram formula mass of Li2SO4? 1488 05b5cc67be4d2b4197774c1d1
5b5cc67be4d2b4197774c1d1- 1101.2487false
- 2109.9446true
- 3111.2687false
- 4106.5871false
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Answer : 2. "109.9446"
Explanation :
Answer: B) 109.9446 Explanation: The term gram formula mass is synonymous with molecular mass. So, to get this, we must add molar mass of all the elements in this compound. Given compound is Lithium Sulphate - Li2SO4 Elemental calculation :: Li - Lithium - 6.941 - 2 - 13.88200 %S - Sulfur - 32.065 - 1 - 32.065 %O - Oxygen - 15.9994 - 4 - 63.9976 % Now, total = 12.6264 + 29.1647 + 58.2090 = 109.9446 Hence, the gram formula mass of Li2SO4 = 109.9446.
Q: Two trains cross each other in _____ time ? 1488 05b5cc6d1e4d2b4197774e3a6
5b5cc6d1e4d2b4197774e3a6- 1145 secfalse
- 2124 secfalse
- 3158 secfalse
- 4162 sectrue
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Answer : 4. "162 sec"
Explanation :
Answer: D) 162 sec Explanation: Given two trains of length = 180 mts + 180 mts The distance is = Length of trains = 360 mts Speed = 58 - 50 = 8 kmph x 5/18 m/s Then, Time = dis/speed = (360x18) / (8x5) = 162 sec.
Q: Securities and Exchange Board of India (SEBI) is related to 1487 05b5cc6b9e4d2b4197774d72f
5b5cc6b9e4d2b4197774d72f- 1Government of Indiafalse
- 2Banksfalse
- 3State Governmentfalse
- 4Share Markettrue
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Answer : 4. "Share Market"
Explanation :
Answer: D) Share Market Explanation:
Q: Which Bank has tied up with Samsung Pay through which cardholders will be able to pay using smartphones at merchant establishments ? 1487 05b5cc6c1e4d2b4197774db3c
5b5cc6c1e4d2b4197774db3c- 1HDFC Bankfalse
- 2Yes Bankfalse
- 3Kotak Mahindra Banktrue
- 4Punjab National Bankfalse
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Answer : 3. "Kotak Mahindra Bank"
Explanation :
Answer: C) Kotak Mahindra Bank Explanation: