Simplification — Exercise 1 (Page 32)

Q311.

Each question below consists of a number. Your task is to follow the following steps in order to find the result from the given alternatives.

Step 1: Multiply the number by 3 and add the square of the number.
Step II: Divide the result obtained after Step I by 5 and add 6.
Step III: Divide the result obtained after Step II by 3 and then square the resulting number.
6

Q312.

Each question below consists of a number. Your task is to follow the following steps in order to find the result from the given alternatives.

Step 1: Multiply the number by 3 and add the square of the number.
Step II: Divide the result obtained after Step I by 5 and add 6.
Step III: Divide the result obtained after Step II by 3 and then square the resulting number.
(2.5)

Q313.

Each question below consists of a number. Your task is to follow the following steps in order to find the result from the given alternatives.

Step 1: Multiply the number by 3 and add the square of the number.
Step II: Divide the result obtained after Step I by 5 and add 6.
Step III: Divide the result obtained after Step II by 3 and then square the resulting number.
5

Q314.

If the operation formula

is defined by the equation x formula

y = 2x + y, what is the value of a in 2 formula

a = a

3?

Q315.

If

is an operation such that a + b = {2a, when a>b; a+b, when a <b; formula

,when a= b} then formula

is equal to

Q316.

At Srinagar, starting at 9 a.m. on a certain day, snow began to fall at a rate of formula

inches every two hours until 3 p.m. If there was already formula

inches of snow on the ground at 9 a.m., how many inches of snow was on the ground at 3 p.m. that day?

శ్రీనగర్లోఒకరోజునఉదయం 9 గం.లకుమంచుకురవడంప్రారంభంఅయింది. ఆమంచుప్రతిరెండుగంటలకుఒకసారి formula

అంగుళాలుమేరకుసాయంత్రం 3గం. వరకుకురిసింది. ఉదయం 9 గం.లకుఅప్పటికేనేలపై formula

అంగుళాలుమేరమంచుఉంది. అయితేఅదేరోజుమద్యాహ్నం 3గం. లకుఎన్నిఅంగుళాలమందంగలమంచునేలపైకలదు?

Q317.

A squirrel starts climbing up a tree at the speed of 6 metres a minute but after every 6 metres it slips down 4 metres in the next minute. It will be able to reach the top 120 metres high in

ఒకఉడుతనిమిషానికి 6 మీటర్లవేగంతోచెట్టుఎక్కుతుంది. మరియుప్రతినిమిషం 6 మీటర్లుఎక్కినతర్వాతనిమిషంలోఅది 4 మీటర్లుకిందకుజారిపోతుంది. అయితే 120 మీటర్లఎత్తుగలచెట్టునుఎంతకాలంలోఎక్కుతుంది?

Q318.

Ram had Rs.1000 in his Savings Bank Account. Every month in the first week he needs money, so he withdraws Rs.500, but by the end of the month, he deposits Rs.750. After how many months the original amount will grow three times?

రామ్సేవింగ్స్బ్యాంక్ఖాతాలోరూ.1000 ఉంది. ప్రతినెలామొదటివారంలోడబ్బులుకావాలికాబట్టిరూ.500 విత్‌డ్రాచేసినానెలాఖరునాటికిరూ.750 జమచేస్తాడు. ఎన్నినెలలతర్వాతఅసలుమొత్తంమూడురెట్లుపెరుగుతుంది?

Q319.

The growth of a medicinal plant of height 1 metre, is 1 cm/day and it is growing straight vertically upward. A man cuts 6 cm from the top, at a regular interval of every 11 days. Its height will be 2 metres after

ఒకఔషధమొక్కయొక్కఎత్తు 1 మీటరు. ఇదిప్రతిరోజు 1 cm ఎత్తునేరుగాపెరుగుతోంది. ప్రతి 11 రోజులకు 6 సెం.మీ. మొక్కనుతుంచితే, ఆమొక్కఎత్తు 2 మీటర్లుఎప్పుడుఅవుతుంది?

Q320.

A stairway 10 ft. high is such that each step accounts for half a foot upward and one foot forward. What distance will an ant travel if it starts from ground level to reach the top of the stairway?

10 అడుగులఎత్తుగలమెట్లదారిప్రతిమెట్టు 1 అడుగుమరియుఅరఅడుగుఎత్తుకువెళుతుంది. ఒకచీమకిందనుండిమొత్తంఎక్కిఆఖరిమెట్టుపైకివెళ్ళేసమయానికిఎంతదూరంప్రయాణిస్తుంది?