UKPSC Uttarakhand Naib Tehsildar previous paper solved

141. The difference between 7 by 8 and 6 by 7 offer number is 20, then the number is
     1. 1140
     2. 1120
     3. 1136
     4. 1132

142. The central statistics unit was established in the year
     1. 1947
     2. 1949
     3. 1951
     4. 1961

143. A passenger travel from Delhi to Meerut speed of 30 km/hr and return with a speed of 60 km/hr. What is his average speed ?
     1. 40
     2. 45
     3. 50
     4. 48

144. The sum of binomial Coefficient is the expansion (1 + x)ⁿ is
     1. 2ⁿ
     2. 2ⁿ – 1
     3. 2ⁿ + 1
     4. ⁿC_n

145. If |A₁|=15, |A₂|=8, |A₃|= 6 and |A₁A₂  A₃|= 3 then | A₁ A₂  A₃| will be ?
     1. 32
     2. Less than or equal 23
     3. Greater than 32
     4. Greater than 23

146. If x :        3          4          5

y :        15        18        21

                        then equation of y can be represented as

1. y= 3x + 2
2. y= 3x +6
3. y= x + 12
4. y= 2x + 9

147. Which of the following cannot be opened by graphical method ?
     1. Asthmatic Mean
     2. Median
     3. Mode
     4. Quarter

148. If frequency distribution which of the following may have more than one value ?
     1. Arithmetic Mean
     2. Median
     3. Mode
     4. Geometric Mean

149. The value of the polynomial expression:

x² – 4x + 3 is zero if x is

1. 0 or 1
2. 3 or 1
3. 1 or 4
4. -2 or 2

150. For distribution mean is 70, Median is 75 and coefficient of skewness is (-) 0.8. The coefficient of variation is
     1. 85
     2. 26.78
     3. 25.68
     4. 72.50