Practice Question and Answer
8Q: Rajesh rows in still water with a speed of 4.5 kmph to go to a certain place and comes back. Find his average speed for the whole journey, if the river is flowing with a speed of 1.5 kmph? 3040 05b5cc67ee4d2b4197774c245
5b5cc67ee4d2b4197774c245- 12 kmphfalse
- 24 kmphtrue
- 36 kmphfalse
- 48 kmphfalse
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Answer : 2. "4 kmph"
Explanation :
Answer: B) 4 kmph Explanation: Let the distance in one direction = k kms Speed in still water = 4.5 kmph Speed of river = 1.5 Hence, speed in upstream = 4.5 - 1.5 = 3 kmph Speed in downstream = 4.5 + 1.5 = 6 kmph Time taken by Rajesh to row upwards = k/3 hrs Time taken by Rajesh to row downwards = k/6 hrs Now, required Average speed =Total distanceTotal speed = 2kk3 + k6 = 2k x 186k + 3k = 4 kmph Therefore, the average speed of the whole journey = 4kmph.
Q: "माई मदर माई हीरो" नामक पुस्तक के लेखक कौन हैं?
3039 060743f2be170a5231dc44ced
60743f2be170a5231dc44ced- 1अच्युत सामंतtrue
- 2पीएनमूर्तिfalse
- 3बिस्वाभूषणfalse
- 4आर गोपालकृष्णनfalse
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Answer : 1. "अच्युत सामंत"
Q: सुजान उत्तर की ओर 8 मीटर तक चला और फिर दाईं ओर मुड़कर 16 मीटर चला। फिर वह अपनी बाईं ओर मुड़ा और 16 मीटर चला। अब वह अपने शुरुआती बिंदु से कितनी दूर है?
3039 05d26f9d17c723a1518e41e10
5d26f9d17c723a1518e41e10- 132 मीटरfalse
- 223 मीटरfalse
- 313 मीटरtrue
- 416 मीटरfalse
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Answer : 3. "13 मीटर"
Q: Rajan's present age is three times his daughter's and nine-thirteenth of his mother's present age. The sum of the present ages of all three of them is 125 years. What is the difference between the present ages of Rajan's daughter and Rajan's mather ? 3039 05b5cc72ce4d2b4197774f773
5b5cc72ce4d2b4197774f773- 132 yearsfalse
- 248 yearsfalse
- 362 yearsfalse
- 450 yearstrue
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Answer : 4. "50 years"
Explanation :
Answer: D) 50 years Explanation: Let Rajan's present age be 'x' years.=> Then his daughter's present age is = x/3 years.His mother's present age = 13x/9 yearsNow, according to the question,x + x/3 + 13x/9 = 125=> x = 125x9/25 = 45Therefore, required difference = 13x/9 - x/3 = 13x - 3x/9 = 10x/9=> 10 x 45/9 = 50 years.
Q: प्रिंटर का रिजॉल्यूशन में मापा जाता है 3039 05b5cc626e4d2b4197774b869
5b5cc626e4d2b4197774b869- 1DPItrue
- 2Megabitsfalse
- 3Hertzfalse
- 4Inchesfalse
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Answer : 1. "DPI"
Explanation :
Answer: A) DPI व्याख्या: डॉट्स प्रति इंच (डीपीआई, या डीपीआई) स्थानिक मुद्रण या वीडियो या छवि स्कैनर डॉट घनत्व का एक माप है, विशेष रूप से व्यक्तिगत बिंदुओं की संख्या जिन्हें 1 इंच (2.54 सेमी) की अवधि के भीतर एक पंक्ति में रखा जा सकता है।
Q: दिये गए वृत्तों की संख्या बताइये
3039 05e7efa054e941d3661d44783
5e7efa054e941d3661d44783- 118false
- 219true
- 316false
- 420false
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Answer : 2. "19"
Q: Directions: In the question given below, a part of the sentence is highlighted. Below are given alternatives to the highlighted part at (A), (B) and (C) which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is (D).
Whenever the two sisters go out for shopping, they take their pet dog with them.
3038 16037698824cd273bc4f51579
6037698824cd273bc4f51579Whenever the two sisters go out for shopping, they take their pet dog with them.
- 1go out to shoppingfalse
- 2go out on shoppingfalse
- 3go out shoppingtrue
- 4No improvementfalse
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Answer : 3. "go out shopping "
Q:The following sentence has been split into four segments. Identify the segment that contains a grammatical error.
She watched / the thief who / steal the purse / in the bus.
3038 0649ab3511a612ce001f67d84
649ab3511a612ce001f67d84- 1the thief whofalse
- 2in the busfalse
- 3steal the pursetrue
- 4She watchedfalse
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Answer : 3. "steal the purse"
Explanation :
The correct form should be "the thief who stole the purse." The verb "steal" should be replaced with "stole" to match the past tense.