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TET Paper 1 Previous year question Paper Key with solutions 2024

101) Sum of greatest 5-digit number and smallest 5-digit number formed by the digits 6, 3, 0, 2 and 8 is:
6, 3, 0, 2 మరియు 8 అంకెలతో ఏర్పడిన అతిపెద్ద 5-అంకెల సంఖ్య మరియు అతి చిన్న 5-అంకెల సంఖ్యల మొత్తం:

A) 1,09,388

B) 1,06,688

C) 1,03,574

D) 88,688

View Answer

B) 1,06,688
Explanation:Step 1: Form the greatest 5-digit number
To form the greatest 5-digit number, arrange the digits in descending order:

8, 6, 3, 2, 0 ⇒ 86320

Step 2: Form the smallest 5-digit number
To form the smallest 5-digit number, arrange the digits in ascending order.

2, 0, 3, 6, 8 ⇒ 20368

Step 3: Add the two numbers
Now, we add the greatest and smallest 5-digit numbers:

86320 + 20368 = 106688

102) The cost of fencing a square park of side 150m at the rate of ₹25 per meter is:
150 మీటర్ల చతురస్రాకార పార్క్ కు చుట్టూ కంచె వేయుటకు మీటరు ₹25 చొప్పున అయ్యే ఖర్చు:

A) ₹7500

B) ₹37500

C) ₹22500

D) ₹15000

View Answer

D) ₹15000
Explanation:To find the cost of fencing a square park, we need to calculate the perimeter of the park and then multiply it by the cost per meter of fencing.

Step 1: Find the perimeter of the square park
The perimeter ( P ) of a square is given by the formula:

P = 4 X (side length)

Given the side length is 150 meters, the perimeter is:

P = 4 X 150 = 600meters

Step 2: Calculate the cost of fencing
The cost of fencing is ₹25 per meter. So, the total cost is:

Cost} = Perimeter X {Cost per meter}
= 600 X 25
= 15000

103) $\frac23-\frac35$

A) $\frac1{15}$

B) $\frac12$

C) $\frac6{15}$

D) $-\frac12$

View Answer

A) $\frac1{15}$
Explanation:To subtract the fractions $\frac{2}{3}$ and $\frac{3}{5}$ , we need to find a common denominator.

Step 1: Find the least common denominator (LCD)
The denominators are 3 and 5. The least common denominator of 3 and 5 is 15.

### Step 2: Convert the fractions to have a denominator of 15
– For $\frac{2}{3}$ , multiply both the numerator and the denominator by 5:
$\frac{2}{3} = \frac{2 \times 5}{3 \times 5} = \frac{10}{15}$

– For $\frac{3}{5}$ , multiply both the numerator and the denominator by 3:
$\frac{3}{5} = \frac{3 \times 3}{5 \times 3} = \frac{9}{15}$

Step 3: Subtract the fractions
Now, subtract the fractions:

$\frac{10}{15} - \frac{9}{15} = \frac{10 - 9}{15} = \frac{1}{15}$

104) An angle with measure more than a right angle and less than a straight angle is:
లంబ కోణం కంటే ఎక్కువ మరియు సరళ కోణం కంటే తక్కువ కొలత కలిగిన కోణం:

A) Acute angle
అల్ప కోణం

B) Obtuse angle
అధిక కోణం

C) Reflex angle
పరావర్తన కోణం

D) Zero angle
శూన్య కోణం

View Answer

B) Obtuse angle
అధిక కోణం

105) The median of one digit natural numbers is:
ఒక అంకె సహజ సంఖ్యల మధ్యగతం:

A) 4.5

B) 6

C) 5

D) 5.5

View Answer

C) 5
Explanation:The one-digit natural numbers are the numbers from 1 to 9:

1, 2, 3, 4, 5, 6, 7, 8, 9

Step 1: Find the Median
The median is the middle number in a sorted list. Since there are 9 numbers (an odd count), the median will be the number that is in the middle.

Step 2: Identify the Middle Number
The middle number in this list is the 5th number because:

{Middle number position} = $\frac{9 + 1}{2}$ = 5

106) If 3p+15 = 4p+10, then the value of p is:
3p + 15 = 4p + 10 అయితే, p విలువ:

A) $\frac{25}7$

B) 5

C) -5

D) $-\frac{25}7$

View Answer

B) 5
Explanation:We are given the equation:
3p + 15 = 4p + 10
Step 1: Move terms involving (p) to one side
First, subtract (3p) from both sides of the equation to eliminate (p) from the left-hand side:
15 = p + 10
Step 2: Solve for (p)
Now, subtract 10 from both sides to isolate (p):
15 – 10 = p
p = 5

107) Swati takes a loan of ₹6000 at 10% rate of interest. The interest she has to pay at the end of the year is:
స్వాతి 10% వడ్డీ రేటుతో ₹6000 రుణం తీసుకుంది. ఏడాది చివరిలో ఆమె చెల్లించాల్సిన వడ్డీ:

A) ₹720

B) ₹660

C) ₹550

D) ₹600

View Answer

D) ₹600
Explanation:To calculate the interest that Swati has to pay, we can use the Simple Interest formula:

{Simple Interest} = $\frac{P \times R \times T}{100}$

Where:
– ( P ) is the principal amount (₹6000),
– ( R ) is the rate of interest (10%),
– ( T ) is the time period in years (1 year).

Step 1: Substitute the values into the formula

{Simple Interest} = $\frac{6000 \times 10 \times 1}{100}$

Step 2: Calculate the interest

{Simple Interest} = $\frac{60000}{100}$ = 600

108) $18\div\frac34$ =

A) 13.5

B) 24

C) 16

D) $\frac1{24}$

View Answer

B) 24
Explanation:To solve the expression $18 \div \frac{3}{4}$ , we can rewrite division by a fraction as multiplication by its reciprocal.
Step 1: Rewrite the division as multiplication
$18 \div \frac{3}{4} = 18 \times \frac{4}{3}$

Step 2: Perform the multiplication
Now, multiply 18 by $\frac{4}{3}$ :

$18 \times \frac{4}{3} = \frac{18 \times 4}{3} = \frac{72}{3}$ = 24

109) Supplementary angles among the following is:
కింది వాటిలో సంపూరక కోణాలు:

A) 35°, 135°

B) 15°, 75°

C) 115°, 65°

D) 95°, 65°

View Answer

C) 115°, 65°
Explanation:Supplementary angles are two angles whose sum is 180⁰

110) Degree of the term 9x²y²z² is:
పదం 9x²y²z² యొక్క పరిమాణం:

A) 2

B) 8

C) 4

D) 6

View Answer

D) 6
Explanation:The degree of a term in a polynomial is the sum of the exponents of the variables in that term.
For the term ( 9x²y²z² ), we have:
– The exponent of ( x ) is 2,
– The exponent of ( y ) is 2,
– The exponent of ( z ) is 2.
Now, add the exponents together:
2 + 2 + 2 = 6

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