CAT Practice Question and Answer
8Q: A polygon has 44 diagonals, then the number of its sides are ? 1840 05b5cc754e4d2b4197774fbb9
5b5cc754e4d2b4197774fbb9- 113false
- 29false
- 311true
- 47false
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Answer : 3. "11"
Explanation :
Answer: C) 11 Explanation: Let the number of sides be n. The number of diagonals is given by nC2 - n Therefore, nC2 - n = 44, n>0 nC2 - n = 44 n2 - 3n - 88 = 0 n2 -11n + 8n - 88 = 0 n(n - 11) + 8(n - 11) = 0 n = -8 or n = 11. As n>0, n will not be -8. Therefore, n=11.
Q: The tech giant that has acquired Flipgrid, an education start-up with an app that lets students record and share videos on specific topics with their classmates is 1840 05b5cc639e4d2b4197774ba9b
5b5cc639e4d2b4197774ba9b- 1Microsofttrue
- 2Wiprofalse
- 3TCSfalse
- 4Googlefalse
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Answer : 1. "Microsoft"
Explanation :
Answer: A) Microsoft Explanation: Microsoft has acquired Flipgrid, an education start-up with an app that lets students record and share videos on specific topics with their classmates. Microsoft is making Flipgrid free of charge.
Q: Which player has won the Gold Medal at World Badminton Championship 2017 ? 1840 05b5cc6c9e4d2b4197774df79
5b5cc6c9e4d2b4197774df79- 1Nozomi Okuharatrue
- 2Saina Nehwalfalse
- 3Carolina Marinfalse
- 4P V Sindhufalse
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Answer : 1. "Nozomi Okuhara"
Explanation :
Answer: A) Nozomi Okuhara Explanation:
Q: Anu's present age is 9 years more than that of what Raj's age will be after five years. Raj's present age is seven years more than that of what Renu's age was 4 years ago. Renu's present age is 19 years. What will be Anu's age after 5 years ? 1840 05b5cc6cae4d2b4197774dfd4
5b5cc6cae4d2b4197774dfd4- 139 yrsfalse
- 236 yrsfalse
- 346 yrsfalse
- 441 yrstrue
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Answer : 4. "41 yrs"
Explanation :
Answer: D) 41 yrs Explanation: Anu = (Raj + 5) + 9 = Raj + 14 -------- (I) Raj = (Renu - 4) + 7 = Renu + 3 ------- (II) Raj's age = 19 + 3 = 22 years After 5 years Anu's age = 22 + 14 + 5 = 41 years
Q: Change Active Voice to Passive Voice? Active voice : Has he completed the work? 1840 05b5cc6a2e4d2b4197774cbe6
5b5cc6a2e4d2b4197774cbe6- Show AnswerHide Answer
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Answer :
Explanation :
Passive Voice : Has the work been completed by him? Rules in changing from Active voice to Passive voice : 1. Identify the subject, the verb and the object: S+V+O 2. Change the object into subject 3. Put the suitable helping verb or auxiliary verb 4. Change the verb into past participle of the verb 5. Add the preposition "by" 6. Change the subject into object.
Q: The average age of a class is 15.8 years. The average age of the boys in the class is 16.4 years and that of the girls is 15.4 years. What is the ratio of boys to girls in the class ? 1839 05b5cc75ee4d2b4197774fcd4
5b5cc75ee4d2b4197774fcd4- 11:3false
- 22:3true
- 33:2false
- 43:1false
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Answer : 2. "2:3"
Explanation :
Answer: B) 2:3 Explanation: Let number of boys = x , Let number of girls = yTotal numbers of students = x + y(x + y) × 15.8 = 16.4x + 15.4y 0.6x = 0.4yx/y = 0.4/0.6 = 2/3 Ratio of boys and girls in the class is 2:3
Q: Name the player who became the first Indian javelin thrower to claim a gold medal at the Commonwealth Games 2018. 1839 05b5cc697e4d2b4197774c5ea
5b5cc697e4d2b4197774c5ea- 1Neeraj Chopratrue
- 2Ankur Mittalfalse
- 3Seema Antilfalse
- 4Annu Ranifalse
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Answer : 1. "Neeraj Chopra"
Explanation :
Answer: A) Neeraj Chopra Explanation: Neeraj Chopra became the first Indian javelin thrower to claim a gold medal at the Commonwealth Games, with a season’s best effort of 86.47m in the final. The 20-year-old junior world champion had made the final after achieving the qualifying mark in his very first throw.
Q: Now my value becomes ? 1838 05b5cc6d2e4d2b4197774e45c
5b5cc6d2e4d2b4197774e45c- 15false
- 210true
- 315false
- 412false
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Answer : 2. "10"
Explanation :
Answer: B) 10 Explanation: In the first figure, number of triangles are 5. In the second, the figure becomes double then the number of triangles also doubles. i.e, 10.

